Παραπομπή σε μορφή APA (7η εκδ.)

Gates, W. B. (1951). Michigan copper and Boston dollars: An economic history of the Michigan copper mining industry. Harvard university press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gates, William Bryam. Michigan Copper and Boston Dollars: An Economic History of the Michigan Copper Mining Industry. Cambridge, Mass.: Harvard university press, 1951.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gates, William Bryam. Michigan Copper and Boston Dollars: An Economic History of the Michigan Copper Mining Industry. Harvard university press, 1951.