Dyfyniad APA

Collins, D. (2005). Carrier grade voice over IP (2nd ed.). Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Collins, Daniel. Carrier Grade Voice over IP. 2nd ed. New Delhi: Tata McGraw-Hill, 2005.

Dyfyniad MLA

Collins, Daniel. Carrier Grade Voice over IP. 2nd ed. Tata McGraw-Hill, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.