Cita APA (7a ed.)

Durkin Author. (2008). Voice Enablg Data Netwrk (1st edition.). Cisco Press.

Cita Chicago Style (17a ed.)

Durkin Author. Voice Enablg Data Netwrk. 1st edition. [Place of publication not identified]: Cisco Press, 2008.

Cita MLA (9a ed.)

Durkin Author. Voice Enablg Data Netwrk. 1st edition. Cisco Press, 2008.