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 "James, Adeola Abike","The significance of oral tradition in the writings of Tutuola, Soyinka and Rotimi",,"[British Library, Document Supply Centre]",1978,British thesis,,,,https://cir.nii.ac.jp/crid/1130578271562581156