D. Citations and Bibliography
1.		Setting the bibliography style
2.		Adding new sources from scratch
3.		Using existing citations
4.		Using citation placeholders in a document
5.		Using the source manager
6.		Adding new sources using the source manager
7.		Converting a placeholder to a source
8.		Editing a source
9.		Editing a citation
10.		Deleting a source
11.		Creating a bibliography
12.		Updating the citations and the bibliography
13.		Deleting a bibliography