Cita APA (7a ed.)
Davidson, J., & Fox, T. Developing Cisco Voice over IP Solutions. Cisco.
Cita estilo Chicago (17a ed.)
Davidson, Jonathan, y Tina Fox. Developing Cisco Voice over IP Solutions. Indianápolis, EUA: Cisco.
Cita MLA (9a ed.)
Davidson, Jonathan, y Tina Fox. Developing Cisco Voice over IP Solutions. Cisco.
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