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
"Barber, Malcolm and Bate, A. K.","Letters from the East : crusaders, pilgrims and settlers in the 12th-13th centuries",,Ashgate,2013,Crusade texts in translation,,9781472413932,,https://cir.nii.ac.jp/crid/1130282272182260480