ScienceDirect (Online service) & International Foundation for Protection Officers. (2010). The professional protection officer: Practical security strategies and emerging trends. Butterworth-Heinemann.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and International Foundation for Protection Officers. The Professional Protection Officer: Practical Security Strategies and Emerging Trends. Oxford: Butterworth-Heinemann, 2010.
MLA (9th ed.) CitationScienceDirect (Online service) and International Foundation for Protection Officers. The Professional Protection Officer: Practical Security Strategies and Emerging Trends. Butterworth-Heinemann, 2010.
Warning: These citations may not always be 100% accurate.