Hughes, G., & Bucknall, J. (2000). Poland: Complying with EU environmental legislation. World Bank.
Style de citation Chicago (17e éd.)Hughes, Gordon, et Julia Bucknall. Poland: Complying with EU Environmental Legislation. Washington, D.C.: World Bank, 2000.
Style de citation MLA (9e éd.)Hughes, Gordon, et Julia Bucknall. Poland: Complying with EU Environmental Legislation. World Bank, 2000.