Washington. World Bank. (1991). The World Bank Annual Report 1991. External Affairs.
芝加哥风格引文Washington. World Bank. The World Bank Annual Report 1991. Washington: External Affairs, 1991.
MLA引文Washington. World Bank. The World Bank Annual Report 1991. External Affairs, 1991.
警告：这些引文格式不一定是100％准确.