Copeland, M. T. (1917). The cotton manufacturing industry of the United States. Cambridge: Harvard university.
Παραπομπή Chicago StyleCopeland, Melvin Thomas. The Cotton Manufacturing Industry of the United States. Cambridge: Harvard university, 1917.
Παραπομπή MLACopeland, Melvin Thomas. The Cotton Manufacturing Industry of the United States. Cambridge: Harvard university, 1917.
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