Freeman, R. L. (2005). Fundamentals of telecommunications (2a. ed.). John Wiley and Sons.
Cita Chicago (17th ed.)Freeman, Roger L. Fundamentals of Telecommunications. 2a. ed. Hoboken: John Wiley and Sons, 2005.
Cita MLA (9th ed.)Freeman, Roger L. Fundamentals of Telecommunications. 2a. ed. John Wiley and Sons, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.