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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe European Union and World Trade. Luxembourg: Office for Official Publications of the European Communities, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe European Union and World Trade. Office for Official Publications of the European Communities, 1999.
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