Παραπομπή APA
European Commission. (1999). Making systainability accountable: Eco-efficiency, resource productivity and innovation. Topic report No 11/1999. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Making Systainability Accountable: Eco-efficiency, Resource Productivity and Innovation. Topic Report No 11/1999. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLAEuropean Commission. Making Systainability Accountable: Eco-efficiency, Resource Productivity and Innovation. Topic Report No 11/1999. Luxembourg: Office for Official Publications of the European Communities, 1999.
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