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,A grain of wheat,Rev. ed,Heinemann Educational Books,1986,African writers series,,0435908367,,https://cir.nii.ac.jp/crid/1130000798347587968