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 "Boykin, Calvin Clay and Gilliam, Henry C. and Gustafson, Ronald A. and United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service",Structural characteristics of beef cattle raising in the United States,,"United States Dept. of Agriculture, Economics, Statistics, and Cooperatives Service",1980,Agricultural economic report,,,,https://cir.nii.ac.jp/crid/1130000795605419520