Citazione APA

Swale, R. (2002). Voice over IP: Systems and solutions. The Institution of Electrical Engineers.

Stile di citazione Chicago

Swale, Richard. Voice over IP: Systems and Solutions. London: The Institution of Electrical Engineers, 2002.

Citazione MLA

Swale, Richard. Voice over IP: Systems and Solutions. The Institution of Electrical Engineers, 2002.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.