(2004). European Union. Energy and transport in figures 2004. Statistical pocketbook 2004 ([1st ed.].). Office for Official Publications of the European Communities.
Citace podle Chicago (17th ed.)European Union. Energy and Transport in Figures 2004. Statistical Pocketbook 2004. [1st ed.]. Luxembourg: Office for Official Publications of the European Communities, 2004.
Citace podle MLA (9th ed.)European Union. Energy and Transport in Figures 2004. Statistical Pocketbook 2004. [1st ed.]. Office for Official Publications of the European Communities, 2004.
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