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
"Hansen, Mogens Herman","Polis and city-state : an ancient concept and its modern equivalent : symposium January 9, 1998",,Munksgaard,1998,Acts of the Copenhagen Polis Centre,,8773042935,,https://cir.nii.ac.jp/crid/1130282270673756160