PORTER. (2006). Practical VoIP security. Rockland, MA: Syngress Publishing.
Chicago Style CitationPORTER. Practical VoIP Security. Rockland, MA: Syngress Publishing, 2006.
MLA CitationPORTER. Practical VoIP Security. Rockland, MA: Syngress Publishing, 2006.
Warning: These citations may not always be 100% accurate.