(2013). Trends and projections in Europe: Tracking progress towards Europe's climate and energy targets. Publications Office of the European Union.
Chicago-Zitierstil (17. Ausg.)Trends and Projections in Europe: Tracking Progress Towards Europe's Climate and Energy Targets. Luxembourg: Publications Office of the European Union, 2013.
MLA-Zitierstil (9. Ausg.)Trends and Projections in Europe: Tracking Progress Towards Europe's Climate and Energy Targets. Publications Office of the European Union, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.