Callahan, W. T., & Knoblauch, R. (1973). Prevention and control of collective violence. U.S. Dept. of Justice, Law Enforcement Assistance Administration.
Chicago-Zitierstil (17. Ausg.)Callahan, William T., und Richard Knoblauch. Prevention and Control of Collective Violence. Washington, D.C: U.S. Dept. of Justice, Law Enforcement Assistance Administration, 1973.
MLA-Zitierstil (8. Ausg.)Callahan, William T., und Richard Knoblauch. Prevention and Control of Collective Violence. U.S. Dept. of Justice, Law Enforcement Assistance Administration, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.