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
"Duffy, Seán and MacShamhráin, Ailbhe and Moynes, James and Harbison, Peter",Medieval Ireland : an encyclopedia,,Routledge,2005,Routledge encyclopedias of the Middle Ages,,0415940524,,https://cir.nii.ac.jp/crid/1130000796499134976