Soren, D. (1992). Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. World Energy Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSoren, Dalager. Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. London: World Energy Council, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSoren, Dalager. Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. World Energy Council, 1992.
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