APA (7. basım) Alıntı
(1999). Voluntary approaches for environmental policy: An assessment. OECD Publications Services.
Chicago Style (17. basım) Atıf
Voluntary Approaches for Environmental Policy: An Assessment. Paris, France: OECD Publications Services, 1999.
MLA (9th ed.) Atıf
Voluntary Approaches for Environmental Policy: An Assessment. OECD Publications Services, 1999.
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