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 ,"Protocols of amendments to articles 4, 13, 15 and 26 of the covenant of the League of Nations : adopted by the Second Assembly of the League of Nations, October 3, 4 and 5, 1921 : British ratification deposited February 3, 1923",,H.M.S.O.,1923,Treaty series,,,,https://cir.nii.ac.jp/crid/1130282270264564224