{bibentry} is for questions addressing issues related to bib­li­og­ra­phy en­tries in the main text of a doc­u­ment.

bibentry is a pack­age that al­lows one to place bib­li­o­graphic en­tries any­where in the text of a doc­u­ment; among other things, this is use­ful for cre­at­ing an an­no­tated bib­li­og­ra­phy. The pack­age is dis­tributed as part of the [tag:nat­bib] bun­dle of pack­ages.