Hopkins, C. C. (1966). My life in advertising ; Scientific advertising. Advertising Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHopkins, Claude C. My Life in Advertising ; Scientific Advertising. Chicago, Ill: Advertising Pub, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHopkins, Claude C. My Life in Advertising ; Scientific Advertising. Advertising Pub, 1966.
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