Introduction to security
Fischer Robert J., Edward Halibozek and Gion Green
Introduction to security - 8th ed. - Amsterdam Elsevier Inc. 2008 - 515p Illustrated
978-0-7506-8432-3
Private security services--Management
Introduction to security - 8th ed. - Amsterdam Elsevier Inc. 2008 - 515p Illustrated
978-0-7506-8432-3
Private security services--Management