APA (7th ed.) Citation

Xavier, P., & Ypsilanti, D. (2007). Universal service in an IP-enabled NGN environment. Camford Publishing Ltd.

Chicago Style (17th ed.) Citation

Xavier, Patrick, and D. Ypsilanti. Universal Service in an IP-enabled NGN Environment. Camford Publishing Ltd, 2007.

MLA (9th ed.) Citation

Xavier, Patrick, and D. Ypsilanti. Universal Service in an IP-enabled NGN Environment. Camford Publishing Ltd, 2007.

Warning: These citations may not always be 100% accurate.