Whittaker, K. (1993). The Basics of library-based user services.
Chicago ZitierstilWhittaker, Kenneth. The Basics of Library-based User Services. London, Library Association, 1993.
MLA ZitierstilWhittaker, Kenneth. The Basics of Library-based User Services. 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.