Hess, J. C. (1987). First move: Street self defense; law enforcement. Kendall/Hunt.
Cita Chicago Style (17a ed.)Hess, Joseph C. First Move: Street Self Defense; Law Enforcement. Dubuque, Iowa: Kendall/Hunt, 1987.
Cita MLA (9a ed.)Hess, Joseph C. First Move: Street Self Defense; Law Enforcement. Kendall/Hunt, 1987.
Precaución: Estas citas no son 100% exactas.