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
"Tanner, Heather J.","Families, friends, and allies : Boulogne and politics in northern France and England, c. 879-1160",,Brill,2004,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9004132430,,https://cir.nii.ac.jp/crid/1130282269819583232