Fischer, Robert J. Introduction to security/ Robert J. Fischer., Edward P. Halibozek and David C. Walters. -- 9th ed. -- Amsterdam: Elsevier Inc., 2013. xvi, 528 p.: ill.; 24 cm. Includes indexes and appendices. ISBN: 9780123850577 Subjects--Topical Terms: Private security services.Private security services -- Management.Industries -- Security measures.Retail trade -- Security measures.Dewey Class. No.: Res 363.289 F522 2013