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
"Burns, Robert Ignatius",Emperor of culture : Alfonso X the Learned of Castile and his thirteenth-century Renaissance,,University of Pennsylvania Press,1990,Middle Ages series,,0812281160,,https://cir.nii.ac.jp/crid/1130000794634276352