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. Dept. of Agriculture,List of sires proved in Dairy Herd Improvement Associations,,U. S. Dept. of Agriculture,1950,Agriculture handbook,,,,https://cir.nii.ac.jp/crid/1130282272216899712