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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc. Design and Business. Bradford, England: Emerald Group Publishing, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc. Design and Business. Emerald Group Publishing, 2007.
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