CISSP Thomas Porter CCNP, C., & Gough, M. (2011). How to Cheat at VoIP Security (1st edition.). Syngress.
Chicago Style (17th ed.) CitationCISSP Thomas Porter CCNP, CCDA, and Michael Gough. How to Cheat at VoIP Security. 1st edition. Syngress, 2011.
MLA (9th ed.) CitationCISSP Thomas Porter CCNP, CCDA, and Michael Gough. How to Cheat at VoIP Security. 1st edition. Syngress, 2011.
Warning: These citations may not always be 100% accurate.