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
"El Sheikh, Fath el Rahman Abdalla",The legal regime of foreign private investment in the Sudan and Saudi Arabia : a case study of developing countries,,Cambridge University Press in association with Khartoum University Press,1984,Cambridge studies in international and comparative law,,0521252865,,https://cir.nii.ac.jp/crid/1130000797638668544