World Bank & ebrary, Inc. (2011). Migration and remittances factbook 2011 (2nd ed.). World Bank.
芝加哥风格引文World Bank 与 Inc ebrary. Migration and Remittances Factbook 2011. 2nd ed. Washington D.C.: World Bank, 2011.
MLA引文World Bank 与 Inc ebrary. Migration and Remittances Factbook 2011. 2nd ed. World Bank, 2011.
警告：这些引文格式不一定是100％准确.