The phrase "another source of ambiguity" is correct and usable in written English.
It can be used when discussing multiple factors or elements that contribute to confusion or uncertainty in a particular context.
Example: "The lack of clear definitions in the contract is another source of ambiguity that could lead to disputes."
Alternatives: "an additional cause of confusion" or "a further point of uncertainty".
Splitting of the world during this period of time is another source of ambiguity because there is no precise definition of when the splitting occurs.
Coreference is yet another source of ambiguity in language, scarcely noticeable by human language users (except in ambivalent cases such as "When Flight 77 hit the Pentagon's wall, it disintegrated"), but problematic for machines.
3 Doctors' use of "obs stable" is another source of potentially misleading ambiguity which has so far gone unmentioned in the medical literature.
Note that another source of risk and uncertainty, the ambiguity of sensory input, is not addressed in this study (Knill & Pouget, 2004; Kepecs et al., 2008; Kiani & Shadlen, 2009).
This might be considered a source of ambiguity, e.g. a complex ABC1 ABC2 might combine with another ABC3 ABC4 to form a complex ABC1 ABC2: ABC1 ABC24.
The decision, they said, was "recognition of current and historic reality". They said it could hasten, rather than impede, peace negotiations by removing a source of ambiguity from the American position.
The analysis of possible reasons of the discrepancy identifies the dust dispersion system as the main source of ambiguity, particularly the design and operation of the fast acting valve.
A major challenge for de novo sequencing, in which sequences are assembled for the very first time (such as with the HGP), is the production of individual DNA reads that are of sufficient length and quality to span common repetitive elements, which are a general property of complex genome sequences and a source of ambiguity for sequence assembly.
Most famous of all, a perfectly painted pipe in Treachery of Images from 1929 has the legend, "This is not a pipe", in the supreme example of Magritte's obsession with bringing words into the picture, not just as a comment on the painting but also as source of ambiguity and multi-meanings themselves.
