Gates, W. B. (1951). Michigan copper and Boston dollars: An economic history of the Michigan copper mining industry. Harvard university press.
Citace podle Chicago (17th ed.)Gates, William Bryam. Michigan Copper and Boston Dollars: An Economic History of the Michigan Copper Mining Industry. Cambridge, Mass.: Harvard university press, 1951.
Citace podle MLA (8th ed.)Gates, William Bryam. Michigan Copper and Boston Dollars: An Economic History of the Michigan Copper Mining Industry. Harvard university press, 1951.
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