Ramsey, B. (1990). The noble cause: The story of the United Mine Workers of America in western Canada. District 18, United Mine Workers of America.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRamsey, Bruce. The Noble Cause: The Story of the United Mine Workers of America in Western Canada. Calgary, Alberta: District 18, United Mine Workers of America, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRamsey, Bruce. The Noble Cause: The Story of the United Mine Workers of America in Western Canada. District 18, United Mine Workers of America, 1990.
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