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
"Pugh, T.B. and Williams, Glanmor",The middle ages : the Marcher lordships of Glamorgan and Morgannwg and Gower and Kilvey from the Norman conquest to the act of Union of England and Wales,,Glamorgan County History Committee,1971,Glamorgan county history,,,,https://cir.nii.ac.jp/crid/1130000796504728448