Cita APA (7a ed.)

European Police Summer Course. 1 Apeldoorn (1989) & Nederlandse Politie Academie. Apeldoorn. (1989). Report of the European Police Summer Course 1989.

Cita Chicago Style (17a ed.)

European Police Summer Course. 1 Apeldoorn (1989) y Nederlandse Politie Academie. Apeldoorn. Report of the European Police Summer Course 1989. [Apeldoorn], 1989.

Cita MLA (9a ed.)

European Police Summer Course. 1 Apeldoorn (1989) y Nederlandse Politie Academie. Apeldoorn. Report of the European Police Summer Course 1989. 1989.