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 National Life Finance Corporation Research Institute and 国民生活金融公庫,Trends of small businesses in Japan,,National Life Finance Corporation Research Institute,2003,NLFCRI Report,,,,https://cir.nii.ac.jp/crid/1130282273226487936