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,Completing the internal market : an area without internal frontiers : the progress report required by Article 8B of the Treaty,,Office for Official Publications of the European Communities,1989,"Deadline 92, a frontier-free Europe",,9282588033,,https://cir.nii.ac.jp/crid/1130282272464163328