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 National Association of Secondary School Principals (U.S.),Current issues in secondary-school administration ; Directory of the National Association Secondary-School Principals,,National Association of Secondary-School Principals,1953,Bulletin of the National Association of Secondary School Principals,,,,https://cir.nii.ac.jp/crid/1130282272560052352