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
Great Britain. Ordnance Survey,Presteigne & Hay-on-Wye : Llanandras a'r Gelli Grandryll,,Ordnance Survey,1986,"1:50,000 landranger series",,0319221482,,https://cir.nii.ac.jp/crid/1130000796315337984