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
"Barker, Hannah","That most precious merchandise : the Mediterranean trade in Black Sea slaves, 1260-1500",,University of Pennsylvania Press,2019,Middle Ages series,,9781512823660,,https://cir.nii.ac.jp/crid/1130298112815133072