著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Kenichi Ohkita and Mahito Okura,An economic analysis of coopetitive strategies in the game software market,Discussion paper series,13440004,Nagasaki : Faculty of Economics,2010-01,2010,1,1-15,https://cir.nii.ac.jp/crid/1520572358986475904,