Παραπομπή APA
European Commission. (2003). Successful energy demonstration projects involving SMEs. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Successful Energy Demonstration Projects Involving SMEs. Luxembourg: Office for Official Publications of the European Communities, 2003.
Παραπομπή MLAEuropean Commission. Successful Energy Demonstration Projects Involving SMEs. Luxembourg: Office for Official Publications of the European Communities, 2003.
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