Παραπομπή σε μορφή APA (7η εκδ.)

Cisco Systems Inc, Cisco, & Cisco Networking Academy Program. (2005). Cisco Networking Academy Program: CCNA 1 and 2 companion guide (3rd ed. rev.). Cisco Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cisco Systems Inc, Cisco, και Cisco Networking Academy Program. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. 3rd ed. rev. Indianapolis, Ind.: Cisco Press, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cisco Systems Inc, et al. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. 3rd ed. rev. Cisco Press, 2005.