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 American Management Association,"Trends in employee health and pension plans : union interest in retirement plans, methods of funding pension plans, health insurance plans",,American Management Association,1948,Personnel series,,,,https://cir.nii.ac.jp/crid/1130000794125416448