APA-viite (7. p.)
Viswanathan,Thiagarajan. (1992). Telecommunication switching systems and networks. Prentice-Hall.
Chicago-viite (17. p.)
Viswanathan,Thiagarajan. Telecommunication Switching Systems and Networks. India: Prentice-Hall, 1992.
MLA-viite (9. p.)
Viswanathan,Thiagarajan. Telecommunication Switching Systems and Networks. Prentice-Hall, 1992.
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