APA-referens (7:e uppl.)

Viswanathan, T. &. B. (2020). Telecommunication Switching Systems and Networks (02nd Edition.). PHI Publications.

Chicago-referens (17:e uppl.)

Viswanathan, Thiagarajan & Bhatnagar. Telecommunication Switching Systems and Networks. 02nd Edition. New Delhi: PHI Publications, 2020.

MLA-referens (9:e uppl.)

Viswanathan, Thiagarajan & Bhatnagar. Telecommunication Switching Systems and Networks. 02nd Edition. PHI Publications, 2020.