Cisco Systems, Inc Content Provider, Doherty, J., & Anderson, N. C. (2006). Internet phone services simplified: An illustrated guide to understanding, selecting, and implementing VolP-based Internet phone services for your home (1st edition.). Cisco Press.
Cita Chicago Style (17a ed.)Cisco Systems, Inc Content Provider, Jim Doherty, y Neil Contributor Anderson. Internet Phone Services Simplified: An Illustrated Guide to Understanding, Selecting, and Implementing VolP-based Internet Phone Services for Your Home. 1st edition. [Place of publication not identified]: Cisco Press, 2006.
Cita MLA (9a ed.)Cisco Systems, Inc Content Provider, et al. Internet Phone Services Simplified: An Illustrated Guide to Understanding, Selecting, and Implementing VolP-based Internet Phone Services for Your Home. 1st edition. Cisco Press, 2006.
