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 "Beshir, Mohamed Omer","Sudan, aid and external relations : selected essays",,"Graduate College, University of Khartoum,Distributed by Ithaca Press",1984,Graduate College publications,,0863720218,,https://cir.nii.ac.jp/crid/1130000796566175232