Graziani, R., & Johnson, A. 1. (2008). Routing protocols and concepts: CCNA exploration companion guide. Indianapolis, IN: Cisco Press.
Chicago Style CitationGraziani, Rick, and Allan( 1962-) Johnson. Routing Protocols and Concepts: CCNA Exploration Companion Guide. Indianapolis, IN: Cisco Press, 2008.
MLA CitationGraziani, Rick, and Allan( 1962-) Johnson. Routing Protocols and Concepts: CCNA Exploration Companion Guide. Indianapolis, IN: Cisco Press, 2008.
Warning: These citations may not always be 100% accurate.