Held, G. (1999). Internetworking LANs and WANs: Concepts, techniques, and methods (2nd ed.). John Wiley & Sons.
Chicago Style (17th ed.) CitationHeld, Gilbert. Internetworking LANs and WANs: Concepts, Techniques, and Methods. 2nd ed. Chichester: John Wiley & Sons, 1999.
MLA (9th ed.) CitationHeld, Gilbert. Internetworking LANs and WANs: Concepts, Techniques, and Methods. 2nd ed. John Wiley & Sons, 1999.
Warning: These citations may not always be 100% accurate.