Παραπομπή APA
European Commission. Directorate-General for Energy., & Market Observatory for Energy. (2010). Europe's energy position: Markets and supply. Luxembourg: Office for Official Publications of the European Commission.
Παραπομπή Chicago StyleEuropean Commission. Directorate-General for Energy., and Market Observatory for Energy. Europe's Energy Position: Markets and Supply. Luxembourg: Office for Official Publications of the European Commission, 2010.
Παραπομπή MLAEuropean Commission. Directorate-General for Energy., and Market Observatory for Energy. Europe's Energy Position: Markets and Supply. Luxembourg: Office for Official Publications of the European Commission, 2010.
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