Eldridge, C. E. (1970). Marketing for profit. New York: The MacMillan Company.
Trích dẫn kiểu ChicagoEldridge, Clarence E. Marketing for Profit. New York: The MacMillan Company, 1970.
Deismireacht MLAEldridge, Clarence E. Marketing for Profit. New York: The MacMillan Company, 1970.
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