APA-Zitierstil (7. Ausg.)

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-Zitierstil (17. Ausg.)

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-Zitierstil (9. Ausg.)

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.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.