Question

Why do some physical works need to be referenced with a volume or issue number and others do not?

A.
Some volumes or issues are not clearly numbered for use in citations.

B.
In some publications, these are used in place of normal chapter or page numbers.

C.
Some works are broken up into separate issues, while others are in a single book.

D.
This differentiates some works from others with similar names or the same authors.

Answer 1

what a weird question but I think it's A

Step-by-step explanation:

well it is the one that explains this thing the most clearly