Goetzfried, A. (2002). Energy and environment indicators: Data 1985-2000. 2002 edition ([1st ed.].). Office for Official Publications of the European Communities.
Citace podle Chicago (17th ed.)Goetzfried, August. Energy and Environment Indicators: Data 1985-2000. 2002 Edition. [1st ed.]. Luxembourg: Office for Official Publications of the European Communities, 2002.
Citace podle MLA (9th ed.)Goetzfried, August. Energy and Environment Indicators: Data 1985-2000. 2002 Edition. [1st ed.]. Office for Official Publications of the European Communities, 2002.
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