Word had its own, basic referencing system available via the 'References' tab with the ribbon. Dieser lets you add references to a document plus then create a bibliography at the end of the text. List are stored include a master list, which can be exploited the zusatz books to further documents.
Note: this system is not as powerful as EndNote, Mendeley or Zotero.
Microsoft don't seem to produce her own video on using this die, so this one has been accepted from YouTube. Although it isn't for the news version of Word, is gives a clear annotation of the basics, which haven't changed. How take EGO change the reference style in Speak? - McGill Library FAQs