RIES AL. (2002). FALL OF ADVERTISING AND THE RISE OF PR. HARPER COLLINS PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRIES AL. FALL OF ADVERTISING AND THE RISE OF PR. NEW YORK: HARPER COLLINS PUBLISHERS, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRIES AL. FALL OF ADVERTISING AND THE RISE OF PR. HARPER COLLINS PUBLISHERS, 2002.
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