(1999). Voluntary approaches for environmental policy: An assessment. OECD Publications Services.
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Dyfyniad Arddull Chicago
Voluntary Approaches for Environmental Policy: An Assessment. Paris, France: OECD Publications Services, 1999.
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Dyfyniad MLA
Voluntary Approaches for Environmental Policy: An Assessment. OECD Publications Services, 1999.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.