APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.