Viswanathan, T. (2000). Telecommunication Switching Systems and Networking. Prentice Hall.
Chicago-čujuhus (17. p.)Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networking. New Delhi: Prentice Hall, 2000.
MLA-čujuhus (9. p.)Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networking. Prentice Hall, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.