Viswanathan, T. (2000). Telecommunication Switching Systems and Networking. Prentice Hall.
Cita Chicago (17th ed.)Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networking. New Delhi: Prentice Hall, 2000.
Cita MLA (9th ed.)Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networking. Prentice Hall, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.