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
"Zhivkov, Boris and Manova, Daria",Khazaria in the ninth and tenth centuries,,Brill,2015,"East Central and Eastern Europe in the Middle Ages, 450-1450",,9789004293076,,https://cir.nii.ac.jp/crid/1130000797745482240