Citazione Stile APA (7a Edizione)

HERSENT OLIVIER. (2005). IP TELEPHONY: DEPLOYING VOICE OVER IP PROTOCOLS. JOHN WILEY & SONS, LTD.

Citazione stile Chigago Style (17a edizione)

HERSENT OLIVIER. IP TELEPHONY: DEPLOYING VOICE OVER IP PROTOCOLS. CHICHESTER: JOHN WILEY & SONS, LTD, 2005.

Citatione MLA (9a ed.)

HERSENT OLIVIER. IP TELEPHONY: DEPLOYING VOICE OVER IP PROTOCOLS. JOHN WILEY & SONS, LTD, 2005.