Tohutoro APA (7th ed.)

Viswanathan, T. (1992). Telecommunication Switching Systems and Networks. PHI Learning.

Tohutoru Kātū Chicago (17th ed.)

Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. New Delhi: PHI Learning, 1992.

Tohutoro MLA (9th ed.)

Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. PHI Learning, 1992.