APA (7th ed.) Citation

Carpenter, C. (2009). Asterisk 1.4: The professional's guide : implementing, administering, and consulting on commercial IP telephony solutions. Packt Publishing Ltd..

Chicago Style (17th ed.) Citation

Carpenter, Colman. Asterisk 1.4: The Professional's Guide : Implementing, Administering, and Consulting on Commercial IP Telephony Solutions. Birmingham, U.K.: Packt Publishing Ltd., 2009.

MLA (9th ed.) Citation

Carpenter, Colman. Asterisk 1.4: The Professional's Guide : Implementing, Administering, and Consulting on Commercial IP Telephony Solutions. Packt Publishing Ltd., 2009.