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
"Duczko, Wladyslaw",Viking Rus : studies on the presence of Scandinavians in Eastern Europe,,Brill,2004,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9004138749,,https://cir.nii.ac.jp/crid/1130000797326699136