World Bank. (2001). African Development Indicators 2001. The international Bank for Reconstruction and Development.
Chicago-Zitierstil (17. Ausg.)World Bank. African Development Indicators 2001. Washington: The international Bank for Reconstruction and Development, 2001.
MLA-Zitierstil (9. Ausg.)World Bank. African Development Indicators 2001. The international Bank for Reconstruction and Development, 2001.