Citação norma APA

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.

Citação norma Chicago

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.

Citação norma MLA

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.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.