Bayley, D. H., & Bayley, D. H. (1998). What works in policing. Oxford University Press.
Cita Chicago Style (17a ed.)Bayley, David H., y David H. Bayley. What Works in Policing. New York Oxford: Oxford University Press, 1998.
Cita MLA (8a ed.)Bayley, David H., y David H. Bayley. What Works in Policing. Oxford University Press, 1998.
Precaución: Estas citas no son 100% exactas.