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 "McCahan, David",Life insurance trends at mid-century,,"University of Pennsylvania Press,Oxford University Press",1950,The S.S. Huebner Foundation for Insurance Education,,,,https://cir.nii.ac.jp/crid/1130282271431859584