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 Ngũgĩ wa Thiong'o,Usilie mpenzi wangu,,Heinemann Educational Books,1971,African writers series,,043590972X,,https://cir.nii.ac.jp/crid/1130282272493490688