Accra Workshop on GATS & Association of African Universities. (2004). The implications of WTO/GATS for higher education in Africa: Proceedings of Accra Workshop on GATS, 27th-29th April 2004, Accra, Ghana. Association of African Universities.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Accra Workshop on GATS و Association of African Universities. The Implications of WTO/GATS for Higher Education in Africa: Proceedings of Accra Workshop on GATS, 27th-29th April 2004, Accra, Ghana. Accra: Association of African Universities, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Accra Workshop on GATS و Association of African Universities. The Implications of WTO/GATS for Higher Education in Africa: Proceedings of Accra Workshop on GATS, 27th-29th April 2004, Accra, Ghana. Association of African Universities, 2004.