World Bank. (2000). African Development Indicators 2000. the international bank for reconstruction and development.
Citazione stile Chigago Style (17a edizione)World Bank. African Development Indicators 2000. Washington: the international bank for reconstruction and development, 2000.
Citatione MLA (9a ed.)World Bank. African Development Indicators 2000. the international bank for reconstruction and development, 2000.