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
"Harrison, Godfrey and Bellin, Wynford and Piette, Brec'hed",Bilingual mothers in Wales and the language of their children,,University of Wales Press,1981,Social science monographs,,0708307949,,https://cir.nii.ac.jp/crid/1130282270523392512