APA
World Bank, . (2005). World development indicators 2005. Washington, DC: World Bank.
Chicago
World Bank, . 2005. World development indicators 2005. Washington, DC: World Bank.
Harvard
World Bank, . (2005). World development indicators 2005. Washington, DC: World Bank.
MLA
World Bank, . World development indicators 2005. Washington, DC: World Bank. 2005.