Collier, M., & Endler, D. (2014). Hacking exposed: Unified communications & VoIP security secrets & solutions (Second edition.). McGraw Hill Education.
Chicago Style (17th ed.) CitationCollier, Mark, and David Endler. Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions. Second edition. New York: McGraw Hill Education, 2014.
MLA (8th ed.) CitationCollier, Mark, 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.