HART NORMAN A. (1978). INDUSTRIAL ADVERTISING AND PUBLICITY (2.). ASSOCIATED BUSINESS PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHART NORMAN A. INDUSTRIAL ADVERTISING AND PUBLICITY. 2. LONDON: ASSOCIATED BUSINESS PRESS, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHART NORMAN A. INDUSTRIAL ADVERTISING AND PUBLICITY. 2. ASSOCIATED BUSINESS PRESS, 1978.
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