McGovern, G. (2011). Protective operations: A handbook for security and law enforcement (1st edition.). Taylor & Francis.
Cita Chicago Style (17a ed.)McGovern, Glenn. Protective Operations: A Handbook for Security and Law Enforcement. 1st edition. Boca Raton: Taylor & Francis, 2011.
Cita MLA (9a ed.)McGovern, Glenn. Protective Operations: A Handbook for Security and Law Enforcement. 1st edition. Taylor & Francis, 2011.
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