Citazione Stile APA (7a Edizione)
Swale, R. (2001). Voice over IP: Systems and solutions. Institution of Electrical Engineers.
Citazione stile Chigago Style (17a edizione)
Swale, Richard. Voice over IP: Systems and Solutions. London: Institution of Electrical Engineers, 2001.
Citatione MLA (9a ed.)
Swale, Richard. Voice over IP: Systems and Solutions. Institution of Electrical Engineers, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.