APA aipamena

Whittaker, K. (1993). The Basics of library-based user services. Library Association.

Chicago Style aipamena

Whittaker, Kenneth. The Basics of Library-based User Services. Library Association, 1993.

MLA aipamena

Whittaker, Kenneth. The Basics of Library-based User Services. Library Association, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.