World Bank. Africa Regional Office. Office of the Chief Economist, World Bank. Africa Regional Office. Operational Quality and Knowledge Services, World Bank. Development Data Group, & ebrary, Inc. (2008). Spreading and sustaining growth in Africa. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Bank. Africa Regional Office. Office of the Chief Economist, World Bank. Africa Regional Office. Operational Quality and Knowledge Services, World Bank. Development Data Group, و Inc ebrary. Spreading and Sustaining Growth in Africa. Washingon, D.C.: World Bank, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Bank. Africa Regional Office. Office of the Chief Economist, et al. Spreading and Sustaining Growth in Africa. World Bank, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.