Held, G. (1998). Internetworking LANs and WANs: Concepts, techniques and methods (2nd edition.). John Wiley & Sons.
Chicago Style (17th ed.) CitationHeld, Gilbert. Internetworking LANs and WANs: Concepts, Techniques and Methods. 2nd edition. Chichester New York: John Wiley & Sons, 1998.
MLA (8th ed.) CitationHeld, Gilbert. Internetworking LANs and WANs: Concepts, Techniques and Methods. 2nd edition. John Wiley & Sons, 1998.
Warning: These citations may not always be 100% accurate.