Hänvisningar gällande denna post
APA-referensUnited Nations. Economic Commission for Europe. (1991). Sustainable energy developments in Europe and North America. United Nations.
Chicago-stil citatUnited Nations. Economic Commission for Europe. Sustainable Energy Developments in Europe and North America. New York [N.Y.]: United Nations, 1991.
MLA-referensUnited Nations. Economic Commission for Europe. Sustainable Energy Developments in Europe and North America. United Nations, 1991.
Harvard-stil citatUnited Nations. Economic Commission for Europe. 1991. Sustainable energy developments in Europe and North America. New York [N.Y.]: United Nations.
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