World Bank. (2003). World development indicators. International Bank for Reconstruction and Development.
Cita Chicago Style (17a ed.)World Bank. World Development Indicators. Washington, D.C.: International Bank for Reconstruction and Development, 2003.
Cita MLA (9a ed.)World Bank. World Development Indicators. International Bank for Reconstruction and Development, 2003.
Precaución: Estas citas no son 100% exactas.