Hughes, G., & Bucknall, J. (2000). Poland: Complying with EU environmental legislation. World Bank.
芝加哥风格引文Hughes, Gordon, 与 Julia Bucknall. Poland: Complying with EU Environmental Legislation. Washington, D.C.: World Bank, 2000.
MLA引文Hughes, Gordon, 与 Julia Bucknall. Poland: Complying with EU Environmental Legislation. World Bank, 2000.
警告：这些引文格式不一定是100％准确.