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 "Cummings, Howard H. (Howard Herschel)","Improving human relations : through classroom, school, and community activities",,National Council for the Social Studies,1949,Bulletin (National Council for the Social Studies),,,,https://cir.nii.ac.jp/crid/1130282272224336128