Carter, D. L., Stephens, D. W., & Sapp, A. D. (1989). The state of police education: Policy direction for the 21st century. Police Executive Research Forum.
Chicago-Zitierstil (17. Ausg.)Carter, David L., Darrel W. Stephens, und Allen D. Sapp. The State of Police Education: Policy Direction for the 21st Century. Washington, DC: Police Executive Research Forum, 1989.
MLA-Zitierstil (8. Ausg.)Carter, David L., et al. The State of Police Education: Policy Direction for the 21st Century. Police Executive Research Forum, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.