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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
external reference
Grammar usage guide and real-world examplesUSAGE SUMMARY
The term "external reference" is correct and can be used in written English.
It refers to a source of information or data that is located outside of the current context or document. It is often used in technical or academic writing. Example: "In order to support our argument, we have included external references from reputable sources."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
60 human-written examples
An externally motivated person's behavior is most often driven to satisfy an external reference group.
"He lacks external reference points.
News & Media
We were cut off from every form of external reference except the trail.
News & Media
Chen, C.-Y C.-Yal. Improvet alcestry Improvede using weights from externancestryence panels.
Science & Research
A dicot (tomato) was also included as non-Poaceae external reference.
Science & Research
It aspires to more democratic principles than many political systems because we have an external reference.
News & Media
The second one is an external reference clock.
The result is a play of pure sound, without external reference, that gives us a glimpse of eternity.
News & Media
This section provides links to external reference documents, code, and websites used throughout the project.
Academia
He said: "I'm really pleased; it's good as an external reference.
News & Media
As usual, a second external reference electrode is also dipped into the analyte solution.
Encyclopedias
Expert writing Tips
Best practice
When using "external reference", ensure that the source is credible and relevant to your context. Always cite your references properly to avoid plagiarism.
Common error
Avoid building an argument solely on "external references" without providing your own analysis or interpretation. Use external sources to support, not replace, your own critical thinking.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "external reference" primarily functions as a noun phrase, often acting as a subject complement or object in a sentence. It identifies a source of information, data, or standard that originates outside the immediate context. Ludwig examples demonstrate its use in academic, scientific, and journalistic writing.
Frequent in
Science
55%
News & Media
25%
Encyclopedias
10%
Less common in
Formal & Business
5%
Academia
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "external reference" is a noun phrase commonly used to denote sources of information or standards located outside of the immediate context. As highlighted by Ludwig, the phrase is grammatically correct and frequently appears in scientific, academic, and journalistic writing to bolster arguments and establish credibility. While it is most prevalent in formal and scientific contexts, remember to avoid over-reliance on "external references" without providing your own analysis. Alternatives such as "outside source" or "independent verification" can be used depending on the specific nuance you wish to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
outside source
Focuses on the origin of information being from an external entity.
external resource
Emphasizes the provision of something useful from an external entity.
independent verification
Highlights the act of confirming information through an external and unbiased party.
third-party validation
Specifies validation from an impartial external entity.
external data point
Highlights the use of an external data point for analysis or comparison.
secondary source
Indicates a source that is not primary or original.
external authority
Emphasizes credibility and expertise from an external source.
external benchmark
Implies an external standard used for comparison.
external validation
Focuses on confirming the accuracy through an external process.
outside counsel
Refers to external advice or guidance, often in a professional context.
FAQs
How can I use "external reference" in a sentence?
You can use "external reference" to indicate a source of information outside of the immediate context. For example: "The study used data from an "external reference" to validate its findings."
What are some alternatives to "external reference"?
Depending on the context, you can use alternatives like "outside source", "external resource", or "third-party validation".
Is it always necessary to include an "external reference" in academic writing?
While not always mandatory, including an "external reference" is generally good practice in academic writing to support your claims, demonstrate research, and give credit to original sources.
What's the difference between an "external reference" and an internal reference?
An "external reference" refers to a source of information located outside the current document or context, while an internal reference refers to a source within the same document, such as a previously mentioned section or figure.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested