Scott, E. J. (1981). Calls for service: Citizen demand and initial police response. National Inst. of Justice.
Cita Chicago Style (17a ed.)Scott, Eric J. Calls for Service: Citizen Demand and Initial Police Response. Washington, D.C: National Inst. of Justice, 1981.
Cita MLA (9a ed.)Scott, Eric J. Calls for Service: Citizen Demand and Initial Police Response. National Inst. of Justice, 1981.
Precaución: Estas citas no son 100% exactas.