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 "Pons-Sanz, Sara M. and Wulfstan, Archbishop of York, d. 1023","Norse-derived vocabulary in late Old English texts : Wulfstan's works, a case study",,University Press of Southern Denmark,2007,North-Western European language evolution,,9788776741969,,https://cir.nii.ac.jp/crid/1130000797992312192