Question: How many references should a resume include?
Options:
The best number of references is just 1.  It doesn't matter how many references there are as long as the one is very good.
The best number of references in around 3, especially if the person writing the resume can find 3 very good quality references.
Answer: The best number of references in around 3, especially if the person writing the resume can find 3 very good quality references.