Denis, F. (1995). Management training of senior police officers: A survey of seven West-European countries / Frank Denis (Team Consult Belgium). Fachhochschule Villingen-Schwenningen Hochschule für Polizei.
Citazione stile Chigago Style (17a edizione)Denis, Frank. Management Training of Senior Police Officers: A Survey of Seven West-European Countries / Frank Denis (Team Consult Belgium). Villingen-Schwenningen: Fachhochschule Villingen-Schwenningen Hochschule für Polizei, 1995.
Citatione MLA (8a ed.)Denis, Frank. Management Training of Senior Police Officers: A Survey of Seven West-European Countries / Frank Denis (Team Consult Belgium). Fachhochschule Villingen-Schwenningen Hochschule für Polizei, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.