Gunderson, G. (1989). The wealth creators: An entrepreneurial history of the United States. New York: A Plume Book.
Παραπομπή Chicago StyleGunderson, Gerald. The Wealth Creators: An Entrepreneurial History of the United States. New York: A Plume Book, 1989.
Παραπομπή MLAGunderson, Gerald. The Wealth Creators: An Entrepreneurial History of the United States. New York: A Plume Book, 1989.
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