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. Secretariat. Economic and Financial Section and World Economic Conference,"Direct and indirect subsidies . Differential taxes on circulation, consumption or handling of foreign imported goods . Regulation of quantities of imports and exports admitted",,League of Nations,1927,Publications of the League of Nations,,,,https://cir.nii.ac.jp/crid/1130282272779370368