(1999). European Union energy outlook to 2020. Directorate-General for Energy, Europ. Commission.
Chicago Style (17th ed.) CitationEuropean Union Energy Outlook to 2020. Brussels: Directorate-General for Energy, Europ. Commission, 1999.
MLA (9th ed.) CitationEuropean Union Energy Outlook to 2020. Directorate-General for Energy, Europ. Commission, 1999.
Warning: These citations may not always be 100% accurate.