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
,Steps to European unity : community progress to date : a chronology,5th ed,Office for Official Publications of the European Communities,1985,European documentation series,,9282554538,,https://cir.nii.ac.jp/crid/1130282272653624320