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 "Balewa, Abubakar Tafawa, Sir",Shaihu Umar : a novel,1st American ed.,M. Wiener Pub.,1989,Topics in world history,,"1558760121,1558760067",,https://cir.nii.ac.jp/crid/1130282271932828544