Hughes, G., & Bucknall, J. (2000). Poland: Complying with EU environmental legislation. World Bank.
Chicago-čujuhus (17. p.)Hughes, Gordon, juo Julia Bucknall. Poland: Complying with EU Environmental Legislation. Washington, D.C.: World Bank, 2000.
MLA-čujuhus (9. p.)Hughes, Gordon, juo Julia Bucknall. Poland: Complying with EU Environmental Legislation. World Bank, 2000.
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