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
"Maclean, Simon",Kingship and politics in the late ninth century : Charles the Fat and the end of the Carolingian Empire,,Cambridge University Press,2003,Cambridge studies in medieval life and thought,,0521819458,,https://cir.nii.ac.jp/crid/1130282273281298816