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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ramsey, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ramsey, Bruce. The Noble Cause: The Story of the United Mine Workers of America in Western Canada. District 18, United Mine Workers of America, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.