Callahan, W. T., & Knoblauch, R. (1973). Prevention and control of collective violence. U.S. Dept. of Justice, Law Enforcement Assistance Administration.
Cita Chicago Style (17a ed.)Callahan, William T., y Richard Knoblauch. Prevention and Control of Collective Violence. Washington, D.C: U.S. Dept. of Justice, Law Enforcement Assistance Administration, 1973.
Cita MLA (8a ed.)Callahan, William T., y Richard Knoblauch. Prevention and Control of Collective Violence. U.S. Dept. of Justice, Law Enforcement Assistance Administration, 1973.
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