Cita APA (7a ed.)

Cisco Networking Academy Program & Cisco Systems. (2003). Cisco Networking Academy Program: CCNA 1 and 2 companion guide (Rev. 3rd ed.). Cisco Press.

Cita Chicago Style (17a ed.)

Cisco Networking Academy Program y Cisco Systems. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. Rev. 3rd ed. Indianapolis, Indiana: Cisco Press, 2003.

Cita MLA (9a ed.)

Cisco Networking Academy Program y Cisco Systems. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. Rev. 3rd ed. Cisco Press, 2003.