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 "Valdman, Albert and Hartford, Beverly and Foster, Charles Robert",Issues in international bilingual education : the role of the vernacular,,Plenum Press,1982,Topics in language and linguistics,,0306409984,,https://cir.nii.ac.jp/crid/1130282269197569664