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
"Imber, Colin","The Crusade of Varna, 1443-45",,Ashgate,2006,Crusade texts in translation,,9780754601449,,https://cir.nii.ac.jp/crid/1130282273173990656