Citazione Stile APA (7a Edizione)

Collins, D. (2001). Carrier grade voice over IP. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Collins, Daniel. Carrier Grade Voice over IP. New York: McGraw-Hill, 2001.

Citatione MLA (9a ed.)

Collins, Daniel. Carrier Grade Voice over IP. McGraw-Hill, 2001.