World Bank. (2000). African Development Indicators 2000. the international bank for reconstruction and development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Bank. African Development Indicators 2000. Washington: the international bank for reconstruction and development, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Bank. African Development Indicators 2000. the international bank for reconstruction and development, 2000.