APA引文

Cisco Networking Academy Program., & Cisco Systems, I. (2004). Cisco Networking Academy Program: CCNA 1 and 2 companion guide (3rd ed.). Indianapolis, Ind.: Cisco.

Trích dẫn kiểu Chicago

Cisco Networking Academy Program., và Inc Cisco Systems. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. 3rd ed. Indianapolis, Ind.: Cisco, 2004.

MLA引文

Cisco Networking Academy Program., và Inc Cisco Systems. Cisco Networking Academy Program: CCNA 1 and 2 Companion Guide. 3rd ed. Indianapolis, Ind.: Cisco, 2004.

警告：这些引文格式不一定是100％准确.