Meggelen, J. V., Madsen, L., & Smith, J. (2007). Asterisk: The Future of Telephony (Segunda edición.). O´Reilly.
Chicago Style (17th ed.) CitationMeggelen, Jim Van, Leif Madsen, and Jared Smith. Asterisk: The Future of Telephony. Segunda edición. Sebastopol: O´Reilly, 2007.
MLA (8th ed.) CitationMeggelen, Jim Van, et al. Asterisk: The Future of Telephony. Segunda edición. O´Reilly, 2007.
Warning: These citations may not always be 100% accurate.