Ford, R. E. (1977). Tips: Training and information for private security (2nd. ed.). Davis Pub. Co.
Chicago-Zitierstil (17. Ausg.)Ford, Robert E. Tips: Training and Information for Private Security. 2nd. ed. Santa Cruz, CA: Davis Pub. Co, 1977.
MLA-Zitierstil (8. Ausg.)Ford, Robert E. Tips: Training and Information for Private Security. 2nd. ed. Davis Pub. Co, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.