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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. NEW DELHI: INDUS PUBLISHING COMPANY, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. INDUS PUBLISHING COMPANY, 1993.
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