Cisco Networking Academy Program., & Cisco Systems, I. (2001). Cisco Networking Academy Program: First-year companion guide (2nd ed.). Indianapolis, IN: Cisco Press.
Παραπομπή Chicago StyleCisco Networking Academy Program., και Inc Cisco Systems. Cisco Networking Academy Program: First-year Companion Guide. 2nd ed. Indianapolis, IN: Cisco Press, 2001.
Παραπομπή MLACisco Networking Academy Program., και Inc Cisco Systems. Cisco Networking Academy Program: First-year Companion Guide. 2nd ed. Indianapolis, IN: Cisco Press, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.