Whittaker, K. (1993). The Basics of library-based user services. Library Association.
Čikaški stil citiranja (17. izdanje)Whittaker, Kenneth. The Basics of Library-based User Services. Library Association, 1993.
MLA način citiranja (8. izdanje)Whittaker, Kenneth. The Basics of Library-based User Services. Library Association, 1993.
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