Which Statement Describes the Favored Documentation Style for Business Reports

Which statement describes the favored documentation style for business reports today?

A) Use parenthetical, in-text citations for specific sources and a list of all sources at the end.
B) Place footnotes at the bottom of pages and an annotated bibliography at the end.
C) Place footnotes at the bottom of pages and a list of all sources at the end.
D) Use parenthetical, in-text citations for specific sources but no source list.