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 United States. Office of Personnel Management,Self-development aids for supervisors and middle managers,,"Office of Personnel Management, Library : U.S. Govt. Print. Off.",1981,Personnel bibliography series,,,,https://cir.nii.ac.jp/crid/1130000797149711744