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 "Hama, Boubou and Centre for Linguistic and Historical Studies by Oral Tradition",L'essence du verbe,,CELHTO,1988,Cultures africaines,,,,https://cir.nii.ac.jp/crid/1130000794065031296