Forker, O. D. (1993). Commodity advertising: The economics and measurement of generic programs. Lexington Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रForker, Olan D. Commodity Advertising: The Economics and Measurement of Generic Programs. New York: Lexington Books, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रForker, Olan D. Commodity Advertising: The Economics and Measurement of Generic Programs. Lexington Books, 1993.
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