Laxa, N. E., & Banzuelo, P. M. (2010). Basic procedures for first responders: Manual for law enforcers, criminology students, security guards, and barangay officials. Anvil.
Chicago-viite (17. p.)Laxa, Nathaniel E., ja Porferio M. Banzuelo. Basic Procedures for First Responders: Manual for Law Enforcers, Criminology Students, Security Guards, and Barangay Officials. Pasig City: Anvil, 2010.
MLA-viite (9. p.)Laxa, Nathaniel E., ja Porferio M. Banzuelo. Basic Procedures for First Responders: Manual for Law Enforcers, Criminology Students, Security Guards, and Barangay Officials. Anvil, 2010.
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