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
Secretary of State for Foreign Affairs and European Payments Union,"Supplementary protocol No. 2 : amending the agreement of 19th September, 1950 for the establishment of a European Payments Union : Paris 4th August, 1950",,H.M.S.O,1951,Miscellaneous,,,,https://cir.nii.ac.jp/crid/1130000795081929216