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
ICC Information Group. Business Ratios Division,Insurance brokers : an industry sector analysis,15th ed,ICC Business Ratios,1989,ICC business ratio report,,1853193690,,https://cir.nii.ac.jp/crid/1130000797467496192