Cita APA (7a ed.)

Davidson, J., & Peters, J. (2000). Voice over IP fundamentals. Cisco.

Cita Chicago Style (17a ed.)

Davidson, Jonathan, y James Peters. Voice over IP Fundamentals. Indianápolis: Cisco, 2000.

Cita MLA (9a ed.)

Davidson, Jonathan, y James Peters. Voice over IP Fundamentals. Cisco, 2000.