Παραπομπή APA

European Commission. (1993). Energy in Europe: Energy policies and trends in the european community : December 1993. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Commission. Energy in Europe: Energy Policies and Trends in the European Community : December 1993. Luxembourg: Office for Official Publications of the European Communities, 1993.

Παραπομπή MLA

European Commission. Energy in Europe: Energy Policies and Trends in the European Community : December 1993. Luxembourg: Office for Official Publications of the European Communities, 1993.

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