APA način citiranja (7. izdanje)
(1999). Voluntary approaches for environmental policy: An assessment. OECD Publications Services.
Čikaški stil citiranja (17. izdanje)
Voluntary Approaches for Environmental Policy: An Assessment. Paris, France: OECD Publications Services, 1999.
MLA način citiranja (9. izdanje)
Voluntary Approaches for Environmental Policy: An Assessment. OECD Publications Services, 1999.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.