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
League of Nations. Permanent Mandates Commission,"Minutes of the twentieth session, held at Geneva from June 9th to June 27th, 1931, including the report of the commission to the council",,League of Nations,1931,Series of League of Nations publications,,,,https://cir.nii.ac.jp/crid/1130000795121440896