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
"Bolton, Timothy",The empire of Cnut the Great : conquest and the consolidation of power in Northern Europe in the early eleventh century,,Brill,2009,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004166707,,https://cir.nii.ac.jp/crid/1130282270125516800