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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
per reference
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "per reference" is correct and usable in written English.
It is typically used in formal or technical contexts to indicate that something is being done according to a specific reference or source. Example: "The calculations were performed per reference 12345 to ensure accuracy."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
38 human-written examples
We also charge £30 per reference.
News & Media
OpenRent, for example, charges £20 per reference conducted, and it says not all landlords insist on referencing.
News & Media
We also show that in all fields the numbers of sentences, references, and in-text mentions per article have increased over time, and that there are field-level and temporal differences in the numbers of in-text mentions per reference.
Science
The red line in Fig. 8 visualizes the number of cited references per reference publication year.
Science
Nine items originated from database searches, one was added per author's knowledge [21], and none per reference lists review (Fig. 2).
Besides the fast and large-scale detection of RNA editing sites, NGS technology has provided depth of coverage (DOC) per reference nucleotide and qualities of base call.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
Gene expression values defined as a sample-per-reference ratio [42] were normalized by Loess and quantile methods across all samples [43], [44] and log2 transformed.
Science
It is demonstrated that the obtained results are in the range of one neutronic node-per-assembly and one T-H cell-per-assembly reference results.
Science
We used seven existing instruments (as per references) to ensure comprehensive coverage of items and then added items that were relatively unique to our study population (eg, food bank service use).
Science
Finally, a novel method of spatial upscaling of a tree-based interception loss into plot- and catchment-scale, using per-species, reference tree interception loss and object-attributes derived from satellite imagery, was proposed.
Science
Machado, drafted by the Baltimore Orioles two spots behind Harper in 2010, has been one of baseball's best all-around players since debuting at Camden Yards on Aug. 9, 2012, amassing 175 home runs, four all-star appearances and two Gold Gloves (both as a third baseman) in parts of seven seasons while averaging 4.8 wins above replacement (per Baseball-Reference) per season.
News & Media
Expert writing Tips
Best practice
When using "per reference" in technical writing, always cite the specific reference to ensure clarity and allow readers to verify the information.
Common error
Avoid using "per reference" without providing the actual reference. This can make your writing vague and difficult to verify.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "per reference" functions as a prepositional phrase, modifying a verb or noun to indicate that an action or measurement is performed in accordance with a specified reference. Ludwig AI confirms its correct usage.
Frequent in
Science
70%
News & Media
30%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "per reference" is a grammatically correct and usable phrase that indicates something is being done according to a specific source. Ludwig AI confirms this. It is most commonly found in scientific and technical writing to ensure clarity and verifiability. While not as frequent as other phrases, such as "according to the reference", "per reference" serves a valuable purpose in formal communication. When using "per reference", always provide the specific citation to avoid ambiguity and enhance the credibility of your writing. Common errors involve omitting the specific reference, which should be avoided.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
according to the reference
Specifies alignment with a cited document or source.
as per the source
Indicates adherence to information from a specified source.
in relation to the reference
Positions the subject matter within the context of the reference.
with respect to the reference
Highlights the connection between the matter at hand and a reference point.
by way of reference
Introduces the topic by associating it to a particular reference.
in accordance with the reference
Implies compliance with the guidelines or data in the reference.
relative to the reference
Conveys that the information is being presented in relation to a standard or cited source.
based on the reference
Indicates that the statement or conclusion relies on information from the reference.
following the reference
Implies a step-by-step adaptation or copying from the reference document.
in the context of the reference
Highlights how a topic is understood when considering the reference material.
FAQs
How can I use "per reference" in a sentence?
Use "per reference" to indicate that something is done or calculated according to a specific source. For example, "The data was normalized "according to the reference" genome sequence".
What's a good alternative to "per reference"?
Alternatives include "according to the reference", "as per the source", or "in relation to the reference", depending on the context.
Is "per reference" formal or informal?
"Per reference" is generally considered formal and is best suited for technical, academic, or professional writing rather than casual conversation.
When should I use "per reference" instead of "according to"?
While both are similar, "per reference" is often used when specifically citing a standard, guideline, or protocol, whereas "according to" can be used more broadly for any source of information.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested