Organisation for Economic Co-operation and Development. (1991). Environmental policy: How to apply economic instruments. OCDE-OECD, OECD Publications and Information Centre [distributor].
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development. Environmental Policy: How to Apply Economic Instruments. Paris : Washington, D.C.: OCDE-OECD, OECD Publications and Information Centre [distributor], 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development. Environmental Policy: How to Apply Economic Instruments. OCDE-OECD, OECD Publications and Information Centre [distributor], 1991.
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