Hague Academy of International Law. Center for Studies and Research. (1995). La politique de l'environnement: De la rιglementation aux instruments ιconomiques = Environmental policy : from regulation to economic instruments. Martinus Nijhoff ; Sold and distributed in the U.S. and Canada by Kluwer Academic Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hague Academy of International Law. Center for Studies and Research. La Politique De L'environnement: De La Rιglementation Aux Instruments ιconomiques = Environmental Policy : From Regulation to Economic Instruments. Dordrecht ; Boston : Norwell, MA: Martinus Nijhoff ; Sold and distributed in the U.S. and Canada by Kluwer Academic Publishers, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Hague Academy of International Law. Center for Studies and Research. La Politique De L'environnement: De La Rιglementation Aux Instruments ιconomiques = Environmental Policy : From Regulation to Economic Instruments. Martinus Nijhoff ; Sold and distributed in the U.S. and Canada by Kluwer Academic Publishers, 1995.