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
"Chazelle, Celia Martin and Cubitt, Catherine",The crisis of the Oikoumene : the Three Chapters and the failed quest for unity in the sixth-century Mediterranean,,Brepols,2007,Studies in the early Middle Ages,,9782503515205,,https://cir.nii.ac.jp/crid/1130282270032372608