Cita APA (7a ed.)
Merel, D., Dempster, B., & Gomillion, D. (2009). Asterisk 1.6: Build feature-rich telephony systems with Asterisk. Packt Pub..
Cita Chicago Style (17a ed.)
Merel, David, Barrie Dempster, y David Gomillion. Asterisk 1.6: Build Feature-rich Telephony Systems with Asterisk. Birmingham, U.K.: Packt Pub., 2009.
Cita MLA (9a ed.)
Merel, David, et al. Asterisk 1.6: Build Feature-rich Telephony Systems with Asterisk. Packt Pub., 2009.
Precaución: Estas citas no son 100% exactas.