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. Committee to Study the Problem of the Export of Future Harvest Surpluses of Cereals and League of Nations,"Report to the President of the Commission of enquiry for European Union on the work of its 1st session : held at Paris from February 26th to 28th, 1931",,[League of nations],1931,Series of League of Nations publications,,,,https://cir.nii.ac.jp/crid/1130000795756509312