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
"Jarman, A. O. H. (Alfred Owen Hughes)",The Cynfeirdd : early Welsh poets and poetry,,University of Wales Press on behalf of the Welsh Arts Council,1981,Writers of Wales,,0708308139,,https://cir.nii.ac.jp/crid/1130000794275852672