Hillebrand, F. (2002). GSM & UMTS: The creation of global mobile communication / [compact disc]. West Sussex : John Wiley & Sons.
Cita Chicago (17th ed.)Hillebrand, Friedhelm. GSM & UMTS: The Creation of Global Mobile Communication / [compact Disc]. West Sussex : John Wiley & Sons, 2002.
Cita MLA (9th ed.)Hillebrand, Friedhelm. GSM & UMTS: The Creation of Global Mobile Communication / [compact Disc]. West Sussex : John Wiley & Sons, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.