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 "Mujal-León, Eusebio and Center for Strategic and International Studies (Washington, D.C.)",European socialism and the conflict in Central America,,Praeger,1989,The Washington papers,,"0275932389,0275932397",,https://cir.nii.ac.jp/crid/1130000797590474752