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
"Gregg, Davis W. (Davis Weinert)","Group life insurance : an analysis of concepts, contracts, costs, and company practices",Rev. ed,"Published for the S.S. Huebner Foundation for Insurance Education, University of Pennsylvania by Richard D. Irwin",1957,The S.S. Huebner Foundation for Insurance Education,,,,https://cir.nii.ac.jp/crid/1130282269451619968