Cita APA

Wallingford, T. (2011). VoIP Hacks. O'Reilly.

Chicago Style Citation

Wallingford, Theodore. VoIP Hacks. O'Reilly, 2011.

Cita MLA

Wallingford, Theodore. VoIP Hacks. O'Reilly, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.