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 "Sicherman, Carol","Ngugi wa Thiongʾo : a bibliography of primary and secondary sources, 1957-1987",,H. Zell Publishers,1989,Bibliographical research in African written literatures,,090545071X,,https://cir.nii.ac.jp/crid/1130282272194511232