Soren, D. (1992). Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. World Energy Council.
Chicago-referens (17:e uppl.)Soren, Dalager. Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. London: World Energy Council, 1992.
MLA-referens (9:e uppl.)Soren, Dalager. Experience of The Nordic Countries in Tackling The Environmental Impacts of Energy Supply and Use. World Energy Council, 1992.