Παραπομπή APA
European Commission. (1994). The environment--at the heart of European R&D: The European Union's environmental research programmes. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. The Environment--at the Heart of European R&D: The European Union's Environmental Research Programmes. Luxembourg: Office for Official Publications of the European Communities, 1994.
Παραπομπή MLAEuropean Commission. The Environment--at the Heart of European R&D: The European Union's Environmental Research Programmes. Luxembourg: Office for Official Publications of the European Communities, 1994.
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