World Bank. Environment Dept. (1991). Environmental assessment sourcebook. World Bank.
芝加哥风格引文World Bank. Environment Dept. Environmental Assessment Sourcebook. Washington, D.C: World Bank, 1991.
MLA引文World Bank. Environment Dept. Environmental Assessment Sourcebook. World Bank, 1991.
警告：这些引文格式不一定是100％准确.