Παραπομπή APA
European Commission. Directorate-General for Energy and Transport. (2008). Europe's energy position - present and future: Demand- resources- investments. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Directorate-General for Energy and Transport. Europe's Energy Position - Present and Future: Demand- Resources- Investments. Luxembourg: Office for Official Publications of the European Communities, 2008.
Παραπομπή MLAEuropean Commission. Directorate-General for Energy and Transport. Europe's Energy Position - Present and Future: Demand- Resources- Investments. Luxembourg: Office for Official Publications of the European Communities, 2008.
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