Dyfyniad APA
Coffman, S. (2003). Going live: Starting & running a virtual reference service. American Library Association.
Dyfyniad Arddull Chicago
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. Chicago: American Library Association, 2003.
Dyfyniad MLA
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. American Library Association, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.