World Bank. (2002). African Development Indicators 2002. the international bank for reconstruction and development.
Chicago-Zitierstil (17. Ausg.)World Bank. African Development Indicators 2002. Washington: the international bank for reconstruction and development, 2002.
MLA-Zitierstil (9. Ausg.)World Bank. African Development Indicators 2002. the international bank for reconstruction and development, 2002.