McDonald, C. H. (1996). Voices in the Big Sky: A concise history of radio and television in Montana from the 1920's to the present. Big M Broadcast Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcDonald, C. Howard. Voices in the Big Sky: A Concise History of Radio and Television in Montana from the 1920's to the Present. Bozeman, Mont.: Big M Broadcast Services, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcDonald, C. Howard. Voices in the Big Sky: A Concise History of Radio and Television in Montana from the 1920's to the Present. Big M Broadcast Services, 1996.
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