APA (7e ed.) Bronvermelding

Hardy, W. C. (2003). VoIP Service qualityMeasuring and evaluating packet-switched voiceWilliam C. Hardy. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Hardy, William C. VoIP Service QualityMeasuring and Evaluating Packet-switched VoiceWilliam C. Hardy. McGraw-Hill, 2003.

MLA (8e ed.) Bronvermelding

Hardy, William C. VoIP Service QualityMeasuring and Evaluating Packet-switched VoiceWilliam C. Hardy. McGraw-Hill, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.