World Bank. Socio-Economic Data Division. (1996). Social indicators of development 1996. World Bank.
芝加哥风格引文World Bank. Socio-Economic Data Division. Social Indicators of Development 1996. Washington, D.C.: World Bank, 1996.
MLA引文World Bank. Socio-Economic Data Division. Social Indicators of Development 1996. World Bank, 1996.
警告：这些引文格式不一定是100％准确.