APA (7th ed.) Zitazioa
Coffman, S. (2003). Going live: Starting & running a virtual reference service. American Library Association.
Chicago Style (17th ed.) Zitazioa
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. Chicago: American Library Association, 2003.
MLA (9th ed.) Zitazioa
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. American Library Association, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.