APA Citation

Abrahams, J. R., & Lollo, M. (2003). Centrex or PBX: The impact of IP. Boston: Artech House.

Chicago Style Citation

Abrahams, John R., and Mauro Lollo. Centrex or PBX: The Impact of IP. Boston: Artech House, 2003.

MLA Citation

Abrahams, John R., and Mauro Lollo. Centrex or PBX: The Impact of IP. Boston: Artech House, 2003.

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