Não informado. (2004). Energy abstracts for policy analysis. U.S. Department of Energy, Office of Scientific and Technical Information.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Energy Abstracts for Policy Analysis. Oak Ridge, Tenn: U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Energy Abstracts for Policy Analysis. U.S. Department of Energy, Office of Scientific and Technical Information, 2004.
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