Wallace, K. (2006). Authorized self-study guide, Cisco voice over IP (CVoice) (2nd ed.). Cisco Press.
Cita Chicago Style (17a ed.)Wallace, Kevin. Authorized Self-study Guide, Cisco Voice over IP (CVoice). 2nd ed. Indianapolis, Ind.: Cisco Press, 2006.
Cita MLA (8a ed.)Wallace, Kevin. Authorized Self-study Guide, Cisco Voice over IP (CVoice). 2nd ed. Cisco Press, 2006.
Precaución: Estas citas no son 100% exactas.