Canadian Radio Technical Planning Board. (1971). Re-appraisal of the present management of the radio spectrum. Dept. of Communications.
Chicago-referens (17:e uppl.)Canadian Radio Technical Planning Board. Re-appraisal of the Present Management of the Radio Spectrum. [Ottawa: Dept. of Communications, 1971.
MLA-referens (8:e uppl.)Canadian Radio Technical Planning Board. Re-appraisal of the Present Management of the Radio Spectrum. Dept. of Communications, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.