Johnson, A. (2007). Routers and routing basics: CCNA 2 labs and study guide. Cisco Press.
Citazione stile Chigago Style (17a edizione)Johnson, Allan. Routers and Routing Basics: CCNA 2 Labs and Study Guide. Indianapolis, Ind: Cisco Press, 2007.
Citatione MLA (9a ed.)Johnson, Allan. Routers and Routing Basics: CCNA 2 Labs and Study Guide. Cisco Press, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.