Fenn, D. H. (1957). Management Guide to Overseas Operations: Business Looks Abroad at its Opportunities and Responsibilities. New York: McGraw-Hill Book Co..
Trích dẫn kiểu ChicagoFenn, Dan H. Management Guide to Overseas Operations: Business Looks Abroad At Its Opportunities and Responsibilities. New York: McGraw-Hill Book Co., 1957.
Trích dẫn MLAFenn, Dan H. Management Guide to Overseas Operations: Business Looks Abroad At Its Opportunities and Responsibilities. New York: McGraw-Hill Book Co., 1957.
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