APA-viite (7. p.)
Coffman, S. (2003). Going live: Starting & running a virtual reference service. American Library Association.
Chicago-viite (17. p.)
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. Chicago: American Library Association, 2003.
MLA-viite (9. p.)
Coffman, Steve. Going Live: Starting & Running a Virtual Reference Service. American Library Association, 2003.
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