Collier, M., & Endler, D. (2013). Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, 2nd Edition (1st edition.). McGraw-Hill.
Chicago Style (17th ed.) CitationCollier, Mark, and David Endler. Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, 2nd Edition. 1st edition. McGraw-Hill, 2013.
MLA (9th ed.) CitationCollier, Mark, and David Endler. Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, 2nd Edition. 1st edition. McGraw-Hill, 2013.
Warning: These citations may not always be 100% accurate.