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 "Ladan, Umaru and Lyndersay, Dexter and Balewa, Abubakar Tafawa, Sir",Shaihu Umar,,Longman,1975,African creative writing series,,0582641926,,https://cir.nii.ac.jp/crid/1130000795927105152