United Nations Centre for Regional Development. Africa Office, Aklilu Kidanu, & Kumssa, A. (2001). Social development issues in Africa. United Nations Centre for Regional Development, Africa Office.
Cita Chicago (17th ed.)United Nations Centre for Regional Development. Africa Office, Aklilu Kidanu, i Asfaw Kumssa. Social Development Issues in Africa. Nairobi, Kenya: United Nations Centre for Regional Development, Africa Office, 2001.
Cita MLA (9th ed.)United Nations Centre for Regional Development. Africa Office, et al. Social Development Issues in Africa. United Nations Centre for Regional Development, Africa Office, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.