Bill Douskalis. (2002). Putting voIP to work: Softswitch network design and testing. Upper Saddle River, NJ: Prentice-Hall PTR.
Chicago Style citaatBill Douskalis. Putting VoIP to Work: Softswitch Network Design and Testing. Upper Saddle River, NJ: Prentice-Hall PTR, 2002.
MLA citatieBill Douskalis. Putting VoIP to Work: Softswitch Network Design and Testing. Upper Saddle River, NJ: Prentice-Hall PTR, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.