Vachon, B., & Graziani, R. (2008). Accessing the WAN: CCNA exploration companion guide. Cisco Press.
芝加哥风格引文Vachon, Bob, 与 Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Indianapolis, Ind.: Cisco Press, 2008.
MLA引文Vachon, Bob, 与 Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Cisco Press, 2008.
警告：这些引文格式不一定是100％准确.