Standard entry types
article: Article from a magazine or journal
book: A published book
booklet: A work that is printed but have no publisher or sponsoring institution
conference: An article in a conference proceedings
inbook: A part of a book (section, chapter and so on)
incollection: A part of a book having its own title
inproceedings: An article in a conference proceedings
manual: Technical documentation
masterthesis: A Master’s thesis
phdthesis: A PhD thesis
proceedings: The same as conference
techreport: Report published by an institution
unpublished: Document not formally published, with author and title
misc: Something that doesn’t fit in any other type