APA引文

World Bank. (1990). The long-term perspective study of sub-Saharan Africa: Background papers. World Bank.

Chicago Style (17th ed.) Citation

World Bank. The Long-term Perspective Study of Sub-Saharan Africa: Background Papers. Washington, D.C.: World Bank, 1990.

MLA引文

World Bank. The Long-term Perspective Study of Sub-Saharan Africa: Background Papers. World Bank, 1990.

警告：這些引文格式不一定是100％准確.