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. Bureau of the Census,Farm debt,,"U.S. Dept. of Commerce, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O.",1968,1964 United States census of agriculture,,,,https://cir.nii.ac.jp/crid/1130000795334203904