APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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

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