Ribera, A. D. (1987). The proactive model of police administration: A study of urban police department administration illustrating how a proactive approach can improve efficiency and effectiveness. Univ. Microfilms Internat.
Chicago-Zitierstil (17. Ausg.)Ribera, Anthony D. The Proactive Model of Police Administration: A Study of Urban Police Department Administration Illustrating How a Proactive Approach Can Improve Efficiency and Effectiveness. Ann Arbor, Mich: Univ. Microfilms Internat, 1987.
MLA-Zitierstil (8. Ausg.)Ribera, Anthony D. The Proactive Model of Police Administration: A Study of Urban Police Department Administration Illustrating How a Proactive Approach Can Improve Efficiency and Effectiveness. Univ. Microfilms Internat, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.