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,"System of fixing export prices . Dependence of trade on control of foreign exchange . Methods of assessment for the application of ad valorem duties . Variations in tariffs in accordance with the origin of goods, the place whence they come, their destination, etc. . Consular charges",,League of Nations,1927,Publications of the League of Nations,,,,https://cir.nii.ac.jp/crid/1130282270225472000