Collier, M. D., & Endler, D. (2014). Hacking exposed: Unified communications & VoIP security secrets & solutions (Second edition.). McGraw-Hill Education.
Chicago Style (17th ed.) CitationCollier, Mark D., and David Endler. Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions. Second edition. New York, NY: McGraw-Hill Education, 2014.
MLA (9th ed.) CitationCollier, Mark D., and David Endler. Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions. Second edition. McGraw-Hill Education, 2014.
Warning: These citations may not always be 100% accurate.