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
"Skinner, Patricia","Family power in southern Italy : the duchy of Gaeta and its neighbours, 850-1139",,Cambridge University Press,1995,Cambridge studies in medieval life and thought,,052146479X,,https://cir.nii.ac.jp/crid/1130000797444892416