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 "Ellsworth, Ruth and Sand, Ole and National Society for the Study of Education",Improving the social studies curriculum,,"National Council for the Social Studies, Department of the National Education Association",1955,Yearbook,,,,https://cir.nii.ac.jp/crid/1130000796998285824