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 "Gougher, Ronald L.",Individualization of instruction in foreign languages : a practical guide,[1st ed.],Center for Curriculum Development,1972,Language and the teacher,,0838427936,,https://cir.nii.ac.jp/crid/1130282272984861568