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
"Pryor, John H.","Commerce, shipping and naval warfare in the medieval Mediterranean",,Variorum Reprints,1987,Collected studies series,,0860782077,,https://cir.nii.ac.jp/crid/1130282269589912832