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 Commission of the European Communities,Investigation on the development of software : report of the synthesis,,"Office for Official Publications of the European Communities,[Commission of the European Communities]",1973,Studies,,,,https://cir.nii.ac.jp/crid/1130282270324452480