Dyfyniad APA

Day, C. (1925). History of commerce of the United States. Longmans, Green and Co..

Dyfyniad Arddull Chicago

Day, Clive. History of Commerce of the United States. New York [etc.]: Longmans, Green and Co., 1925.

Dyfyniad MLA

Day, Clive. History of Commerce of the United States. Longmans, Green and Co., 1925.

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