著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Jāmiʿat al-Kharṭūm. Maʿhad al-Dirāsāt al-Afrīqīyah wa-al-Āsiyawīyah. International Conference and Hassan, Yusuf Fadl and Doornbos, Paul","The central Bilād al-Sūdān : tradition and adaptation : essays on the geography and economic and political history of the Sudanic belt : proceedings of the Third International Conference of the Institute of African and Asian Studies, University of Khartoum, held from 8 to 13 November 1977",,The Institute,1979,Sudanese library series,,,,https://cir.nii.ac.jp/crid/1130282268909122560