APA-referens

(1991). Reference and information services: An introduction. Englewood, Colorado: Libraries Unlimited, Inc.

Chicago-stil citat

Reference and Information Services: An Introduction. Englewood, Colorado: Libraries Unlimited, Inc, 1991.

MLA-referens

Reference and Information Services: An Introduction. Englewood, Colorado: Libraries Unlimited, Inc, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.