Cita APA (7a ed.)

Wallace, K. (2009). Cisco voice over IP (CVOICE): Authorized self-study guide (Third edition.). Cisco Press.

Cita Chicago Style (17a ed.)

Wallace, Kevin. Cisco Voice over IP (CVOICE): Authorized Self-study Guide. Third edition. Indianapolis: Cisco Press, 2009.

Cita MLA (9a ed.)

Wallace, Kevin. Cisco Voice over IP (CVOICE): Authorized Self-study Guide. Third edition. Cisco Press, 2009.