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 "Calhoon, Richard P. (Richard Percival) and Eck, L. Frederick van",An analytical study of requirements for top positions in personel administration,,"Graduate School of Business Administration, University of North Carolina",1964,Research paper,,,,https://cir.nii.ac.jp/crid/1130282271643410560