Gaya APA
Graziani, R., Johnson, A. (2007).
Routing Protocols and Concepts ; CCNA Exploration Companion Guide .
USA:
CISCO Press.
Gaya MLA
Graziani, Rick., Johnson, Allan.
"Routing Protocols and Concepts ; CCNA Exploration Companion Guide".
USA:
CISCO Press,
2007.
Teks (Text).