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 "Geroski, Paul and Gilbert, Richard J. and Jacquemin, Alex (Alexis P.)",Barriers to entry and strategic competition,,Routledge,2001,Harwood fundamentals of pure and applied economics,,0415269210,,https://cir.nii.ac.jp/crid/1130282270031775232