Freeman, R. L. (2004). Telecommunication system engineering (4a. ed.). John Wiley and Sons.
Cita Chicago (17th ed.)Freeman, Roger L. Telecommunication System Engineering. 4a. ed. Hoboken: John Wiley and Sons, 2004.
Cita MLA (9th ed.)Freeman, Roger L. Telecommunication System Engineering. 4a. ed. John Wiley and Sons, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.