FREEMAN ROGER L. (1998). TELECOMMUNICATIONS TRANSMISSION HANDBOOK (4TH ED.). JOHN WILEY AND SONS INC.
Cita Chicago (17th ed.)FREEMAN ROGER L. TELECOMMUNICATIONS TRANSMISSION HANDBOOK. 4TH ED. NEW YORK: JOHN WILEY AND SONS INC, 1998.
Cita MLA (9th ed.)FREEMAN ROGER L. TELECOMMUNICATIONS TRANSMISSION HANDBOOK. 4TH ED. JOHN WILEY AND SONS INC, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.