Citazione Stile APA (7a Edizione)
Goncalves, F. E. (2010). Building telephony systems with OpenSIPS 1.6: Build scalable and robust telephony systems using SIP. Packt Pub..
Citazione stile Chigago Style (17a edizione)
Goncalves, Flavio E. Building Telephony Systems with OpenSIPS 1.6: Build Scalable and Robust Telephony Systems Using SIP. Birmingham, U.K.: Packt Pub., 2010.
Citatione MLA (9a ed.)
Goncalves, Flavio E. Building Telephony Systems with OpenSIPS 1.6: Build Scalable and Robust Telephony Systems Using SIP. Packt Pub., 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.