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 "Stringer, David and Open University. Language and Learning Course Team",Language variation and English,,Open University Press,1973,"Educational studies, a second level course",,0335032605,,https://cir.nii.ac.jp/crid/1130000797647457920