Morrison, G. B. (1995). A critical history and evaluation of American police firearms training to 1945.
Cita Chicago Style (17a ed.)Morrison, Gregory Boyce. A Critical History and Evaluation of American Police Firearms Training to 1945. 1995.
Cita MLA (8a ed.)Morrison, Gregory Boyce. A Critical History and Evaluation of American Police Firearms Training to 1945. 1995.
Precaución: Estas citas no son 100% exactas.