Cita APA (7th ed.)

World Bank, World Bank. International Economics Dept. Development Data Group, & World Bank. Development Data Group. (2012). World development indicators. The World Bank.

Cita Chicago (17th ed.)

World Bank, World Bank. International Economics Dept. Development Data Group, i World Bank. Development Data Group. World Development Indicators. Washington, D.C.: The World Bank, 2012.

Cita MLA (8th ed.)

World Bank, et al. World Development Indicators. The World Bank, 2012.