APA način citiranja (7. izdanje)

HERSENT OLIVIER. (2011). IP TELEPHONY: DEPLOYING VOIP PROTOCOLS AND IMS INFRASTRUCTURE (2ND.). WILEY.

Čikaški stil citiranja (17. izdanje)

HERSENT OLIVIER. IP TELEPHONY: DEPLOYING VOIP PROTOCOLS AND IMS INFRASTRUCTURE. 2ND. NEW YORK: WILEY, 2011.

MLA način citiranja (9. izdanje)

HERSENT OLIVIER. IP TELEPHONY: DEPLOYING VOIP PROTOCOLS AND IMS INFRASTRUCTURE. 2ND. WILEY, 2011.