Steden, R. V. (2007). Privatizing policing: Describing and explaining the growth of private security. Boom Jurische uitgevers.
Chicago Style aipamenaSteden, Ronald Van. Privatizing Policing: Describing and Explaining the Growth of Private Security. [Hauge, Netherlands]: Boom Jurische uitgevers, 2007.
MLA aipamenaSteden, Ronald Van. Privatizing Policing: Describing and Explaining the Growth of Private Security. Boom Jurische uitgevers, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.