In de referenties wordt aangegeven

In de referenties wordt aangegeven welke andere documenten nodig zijn om de procedure uit te kunnen voeren.
Eventueel kunnen ook documenten worden aangegeven waarvan het zinvol is om ze (bijv. in twijfelgevallen) te raadplegen.

結果 (英文) 1:

In the references indicate which other documents are needed to carry out the procedure might also be indicated which documents.
it's meaningful to them (e.g. in doubtful cases).

結果 (英文) 2:

The references indicated what other documents are required to perform the procedure.
Optionally also documents indicate that it is useful to consult them. (ie in doubt)

結果 (英文) 3:

In the references, the other documents are required to be able to perform the procedure.
may also be indicated documents which it makes sense to them (e.g. in case of doubt).