Liefferink, J. (1995). Environmental policy on the way to Brussels: The issue of acidification between the Netherlands and the European Community. s.n.].
Παραπομπή σε μορφή Chicago (17η εκδ.)Liefferink, J.D. Environmental Policy on the Way to Brussels: The Issue of Acidification Between the Netherlands and the European Community. [S.l.: s.n.], 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)Liefferink, J.D. Environmental Policy on the Way to Brussels: The Issue of Acidification Between the Netherlands and the European Community. s.n.], 1995.
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