Morrison, G. B., & Vila, B. J. (1998). Police handgun qualification: Practical measure or aimless activity? Policing, 21(3), 510-533.
Cita Chicago Style (17a ed.)Morrison, Gregory B., y Bryan J. Vila. "Police Handgun Qualification: Practical Measure or Aimless Activity?" Policing 21, no. 3 (1998): 510-533.
Cita MLA (9a ed.)Morrison, Gregory B., y Bryan J. Vila. "Police Handgun Qualification: Practical Measure or Aimless Activity?" Policing, vol. 21, no. 3, 1998, pp. 510-533.
Precaución: Estas citas no son 100% exactas.