Citazione Stile APA (7a Edizione)

Swale, R., & Collins, D. (2014). Carrier-grade VoIP (Third edition.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Swale, Richard, e Daniel Collins. Carrier-grade VoIP. Third edition. New York: McGraw-Hill, 2014.

Citatione MLA (9a ed.)

Swale, Richard, e Daniel Collins. Carrier-grade VoIP. Third edition. McGraw-Hill, 2014.