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
"Thomson, R. L.",Pwyll pendeuic dyuet : the first of the four branches of the Mabinogi,,Dublin Institute for Advanced Studies,1957,Mediaeval and modern Welsh series,,,,https://cir.nii.ac.jp/crid/1130000793890175488