APA (7e ed.) Bronvermelding

World Bank. (2003). World development indicators. International Bank for Reconstruction and Development.

Chicago (17e ed.) Bronvermelding

World Bank. World Development Indicators. Washington, D.C.: International Bank for Reconstruction and Development, 2003.

MLA (9e ed.) Bronvermelding

World Bank. World Development Indicators. International Bank for Reconstruction and Development, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.