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 United States. Agricultural Marketing Service and United States. Agricultural Research Service,Gross and net farm income,,"U.S. Dept. of Agriculture,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1957,Agriculture handbook,,,,https://cir.nii.ac.jp/crid/1130282271462701440