Answer:
D. in which publication (magazine, book, and so on) the source can be found.
Step-by-step explanation:
Expanded Academic ASAP is a research platform where full text of publications from all disciplines can be found. This facilitates the search for references to academic papers because it allows reliable sources of research to be found on many different subjects. In this platform there is a space called a field of publication, this space indicates in which publication (magazine, book and so on) the source can be found.