(1991). Sharing spectrum in the digital age: WARC-92. International Institute of Communication.
Cita Chicago (17th ed.)Sharing Spectrum in the Digital Age: WARC-92. London: International Institute of Communication, 1991.
Cita MLA (9th ed.)Sharing Spectrum in the Digital Age: WARC-92. International Institute of Communication, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.