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
"Leigh, Michael and Van Praag, Nicholas",Nine EEC attitudes to enlargement . European political co-operation and the southern periphery,,Sussex European Research Centre,1978,The Mediterranean challenge,,0903422220,,https://cir.nii.ac.jp/crid/1130000797041674624