Παραπομπή APA
European Commission. (1994). Energy in Europe: Energy policies and trends in the european community : July 1994. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Energy in Europe: Energy Policies and Trends in the European Community : July 1994. Luxembourg: Office for Official Publications of the European Communities, 1994.
Παραπομπή MLAEuropean Commission. Energy in Europe: Energy Policies and Trends in the European Community : July 1994. Luxembourg: Office for Official Publications of the European Communities, 1994.
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