APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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