Παραπομπή APA
European Commission. Directorate-General for Energy and Transport., & Market Observatory for Energy. (2011). Europe's energy position: 2010 Annual report. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Directorate-General for Energy and Transport., and Market Observatory for Energy. Europe's Energy Position: 2010 Annual Report. Luxembourg: Office for Official Publications of the European Communities, 2011.
Παραπομπή MLAEuropean Commission. Directorate-General for Energy and Transport., and Market Observatory for Energy. Europe's Energy Position: 2010 Annual Report. Luxembourg: Office for Official Publications of the European Communities, 2011.
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