APA-referens (7:e uppl.)

Vachon, B., & Graziani, R. (2008). Accessing the WAN: CCNA exploration companion guide. Cisco Press.

Chicago-referens (17:e uppl.)

Vachon, Bob, och Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Indianapolis, Ind.: Cisco Press, 2008.

MLA-referens (8:e uppl.)

Vachon, Bob, och Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Cisco Press, 2008.