International energy agency. (2002). World energy outlook 2002. Organisation economic cooperation and development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational energy agency. World Energy Outlook 2002. France: Organisation economic cooperation and development, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational energy agency. World Energy Outlook 2002. Organisation economic cooperation and development, 2002.
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