Organisation for Economic Co-operation and Development. Development Centre, International Development Information Network, & Codesria. (1992). Directory of development research and training institutes in Africa =: Inventaire des instituts de recherche et de formation en matière de développement en Afrique. Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Development Centre, International Development Information Network, و Codesria. Directory of Development Research and Training Institutes in Africa =: Inventaire Des Instituts De Recherche Et De Formation En Matière De Développement En Afrique. Paris : [Washington, D.C.: Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. Development Centre, et al. Directory of Development Research and Training Institutes in Africa =: Inventaire Des Instituts De Recherche Et De Formation En Matière De Développement En Afrique. Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, 1992.