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 "Intergovernmental Conference on Political Union ( : Rome, Italy, and Maastricht, Netherlands) and Laursen, Finn and Vanhoonacker, Sophie","The Intergovernmental Conference on Political Union : institutional reforms, new policies, and international identity of the European Community",,European Institute of Public Administration,1992,Professional research paper,,9067790664,,https://cir.nii.ac.jp/crid/1130282272843616896