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
"Wheatcroft, S. G.",Grain production statistics in the USSR in the 1920s and 1930s,,"Centre for Russian and East European Studies, University of Birmingham",1977,CREES discussion papers,,,,https://cir.nii.ac.jp/crid/1130000797300283008