APA (7th ed.) Zitazioa

Commission of the European Communities. Directorate-General for Energy. (1999). Energy in Europe: Economic foundations for energy policy. Office for Official Publications of the European Communities.

Chicago Style (17th ed.) Zitazioa

Commission of the European Communities. Directorate-General for Energy. Energy in Europe: Economic Foundations for Energy Policy. Luxembourg: Office for Official Publications of the European Communities, 1999.

MLA (9th ed.) Zitazioa

Commission of the European Communities. Directorate-General for Energy. Energy in Europe: Economic Foundations for Energy Policy. Office for Official Publications of the European Communities, 1999.

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