Viswanathan, T. &. B. (2020). Telecommunication Switching Systems and Networks (02nd Edition.). PHI Publications.
Chicago-čujuhus (17. p.)Viswanathan, Thiagarajan & Bhatnagar. Telecommunication Switching Systems and Networks. 02nd Edition. New Delhi: PHI Publications, 2020.
MLA-čujuhus (9. p.)Viswanathan, Thiagarajan & Bhatnagar. Telecommunication Switching Systems and Networks. 02nd Edition. PHI Publications, 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.