APA (7e ed.) Bronvermelding
Fennelly, L. J. (2013). Effective physical security (4th ed.). Butterworth-Heinemann.
Chicago (17e ed.) Bronvermelding
Fennelly, Lawrence J. Effective Physical Security. 4th ed. Waltham, Mass.: Butterworth-Heinemann, 2013.
MLA (9e ed.) Bronvermelding
Fennelly, Lawrence J. Effective Physical Security. 4th ed. Butterworth-Heinemann, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.