APA način citiranja

Bill Douskalis. (2002). Putting voIP to work: Softswitch network design and testing. Upper Saddle River, NJ: Prentice-Hall PTR.

Čikaški stil citiranja

Bill Douskalis. Putting VoIP to Work: Softswitch Network Design and Testing. Upper Saddle River, NJ: Prentice-Hall PTR, 2002.

MLA način citiranja

Bill Douskalis. Putting VoIP to Work: Softswitch Network Design and Testing. Upper Saddle River, NJ: Prentice-Hall PTR, 2002.