Dyfyniad APA
Dang, L., & Jennings, C. (2002). Practical voip using vocal. Shroff Pub : Oreilly.
Dyfyniad Arddull Chicago
Dang, Luan, and Cullen/Kelly Jennings. Practical Voip Using Vocal. Kolkata: Shroff Pub : Oreilly, 2002.
Dyfyniad MLA
Dang, Luan, and Cullen/Kelly Jennings. Practical Voip Using Vocal. Shroff Pub : Oreilly, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.