The World Bank. (2006). The little dat book 2006. Washington: The World Bank.
Trích dẫn kiểu ChicagoThe World Bank. The Little Dat Book 2006. Washington: The World Bank, 2006.
MLA引文The World Bank. The Little Dat Book 2006. Washington: The World Bank, 2006.
警告：这些引文格式不一定是100％准确.