Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

European Police Summer Course 1 1989, Apeldoorn, et al. Report of the European Police Summer Course 1989. 1989.