World Bank & ebrary, Inc. (2009). World Development Indicators. World Bank Publications.
Cita Chicago Style (17a ed.)World Bank y Inc ebrary. World Development Indicators. Washington: World Bank Publications, 2009.
Cita MLA (9a ed.)World Bank y Inc ebrary. World Development Indicators. World Bank Publications, 2009.
Precaución: Estas citas no son 100% exactas.