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
"今井, 賢一",Japan's business groups and keiretsu in relation to the structural impediments initiative,,"Institute of Business Research, Hitotsubashi University",1990,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130000794636748544