Coverston, D. Y. (1986). Security guard: A guidebook for guards, officers, managers of agency and in house security forces. Security Seminars Pr.
Chicago-Zitierstil (17. Ausg.)Coverston, David Y. Security Guard: A Guidebook for Guards, Officers, Managers of Agency and in House Security Forces. Ocala, FL: Security Seminars Pr, 1986.
MLA-Zitierstil (8. Ausg.)Coverston, David Y. Security Guard: A Guidebook for Guards, Officers, Managers of Agency and in House Security Forces. Security Seminars Pr, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.