Peel, J. D. (1973). The training, licensing and guidance of private security officers: A practical handbook for community security planning. Thomas.
Chicago-Zitierstil (17. Ausg.)Peel, John Donald. The Training, Licensing and Guidance of Private Security Officers: A Practical Handbook for Community Security Planning. Springfield, Ill: Thomas, 1973.
MLA-Zitierstil (8. Ausg.)Peel, John Donald. The Training, Licensing and Guidance of Private Security Officers: A Practical Handbook for Community Security Planning. Thomas, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.