Bilek, A. J. (1976). A report on the regulation of private security guard services: Incl. a Model private security licensing and regulatory statute. U.S. Govt. Print. Office.
Chicago-Zitierstil (17. Ausg.)Bilek, Arthur J. A Report on the Regulation of Private Security Guard Services: Incl. a Model Private Security Licensing and Regulatory Statute. Washington, D.C: U.S. Govt. Print. Office, 1976.
MLA-Zitierstil (8. Ausg.)Bilek, Arthur J. A Report on the Regulation of Private Security Guard Services: Incl. a Model Private Security Licensing and Regulatory Statute. U.S. Govt. Print. Office, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.