Whittaker, K. (1993). The Basics of library-based user services.
Stile di citazione ChicagoWhittaker, Kenneth. The Basics of Library-based User Services. London, Library Association, 1993.
Citazione MLAWhittaker, Kenneth. The Basics of Library-based User Services. 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.