APA সাইটেশন

Viswanathan, T. Telecommunication switching systems and networks. Prentice Hall.

শিকাগো স্টাইলে সাইটেশন

Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. New Delhi: Prentice Hall.

এমএলএ সাইটেশন

Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. Prentice Hall.