Cita APA (7a ed.)

Dwivedi, H. (2008). Hacking VoIP: Protocols, Attacks, and Countermeasures. No Starch Press.

Cita Chicago Style (17a ed.)

Dwivedi, Himanshu. Hacking VoIP: Protocols, Attacks, and Countermeasures. San Francisco: No Starch Press, 2008.

Cita MLA (9a ed.)

Dwivedi, Himanshu. Hacking VoIP: Protocols, Attacks, and Countermeasures. No Starch Press, 2008.