Παραπομπή APA

European Commission. (2004). Electricity from renewable energy sources: Encouraging green electricity in Europe. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Commission. Electricity From Renewable Energy Sources: Encouraging Green Electricity in Europe. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή MLA

European Commission. Electricity From Renewable Energy Sources: Encouraging Green Electricity in Europe. Luxembourg: Office for Official Publications of the European Communities, 2004.

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