Wieringa, K. (1995). Environment in the European Union-1995: Report for the review of the fifth environmental action programme. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleWieringa, Keimpe. Environment in the European Union-1995: Report for the Review of the Fifth Environmental Action Programme. Luxembourg: Office for Official Publications of the European Communities, 1995.
Παραπομπή MLAWieringa, Keimpe. Environment in the European Union-1995: Report for the Review of the Fifth Environmental Action Programme. Luxembourg: Office for Official Publications of the European Communities, 1995.
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