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 "Nwachukwu, P. Akụjụọobi and Mateene, Kahombo and Dalby, David",African languages = Langues africaines,,Routledge,2018,Linguistic surveys of Africa,,"9781138099401,9781138099425,9781138099449,9781138099630,9781138099906,9781138102071",,https://cir.nii.ac.jp/crid/1130282271081354496