HASKINS JACK. (1993). SUCCESSFUL ADVERTISING RESEARCH METHODS. NTC BUSINESS BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHASKINS JACK. SUCCESSFUL ADVERTISING RESEARCH METHODS. U S A: NTC BUSINESS BOOKS, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHASKINS JACK. SUCCESSFUL ADVERTISING RESEARCH METHODS. NTC BUSINESS BOOKS, 1993.
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