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 "Kraft, Charles H. and Abubakar, Salisu and Michigan. State University. African Studies Center",An introduction to spoken Hausa,Preliminary ed,"African Studies Center, Michigan State University",1965,African language monograph,,,,https://cir.nii.ac.jp/crid/1130000796298400384