Παραπομπή σε μορφή APA (7η εκδ.)

Cisco Systems & Cisco Networking Academy Program. (2003). Cisco Networking Academy Program: CCNA 3 and 4 companion guide (3rd ed.). Cisco Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cisco Systems και Cisco Networking Academy Program. Cisco Networking Academy Program: CCNA 3 and 4 Companion Guide. 3rd ed. Cisco Press, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cisco Systems και Cisco Networking Academy Program. Cisco Networking Academy Program: CCNA 3 and 4 Companion Guide. 3rd ed. Cisco Press, 2003.