Minion, R. R. (1985). Protection officer training manual: What every security officer must know. Protection Officer Publ.
Chicago-Zitierstil (17. Ausg.)Minion, Ronald R. Protection Officer Training Manual: What Every Security Officer Must Know. Cochrane, Alberta: Protection Officer Publ, 1985.
MLA-Zitierstil (8. Ausg.)Minion, Ronald R. Protection Officer Training Manual: What Every Security Officer Must Know. Protection Officer Publ, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.