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.
Чикаго стиль цитування (17-те видання)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.
Стиль цитування MLA (9-ме видання)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.
Попередження: стилі цитування не завжди правильні на всі 100%.