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 "Black, John D. (John Donald) and Guthrie, Edward Sewell and University of Minnesota","Economic aspects of creamery organization : in co-operation with United States Department of Agriculture, Bureau of Agricultural Economics",,University Farm,1924,Technical bulletin,,,,https://cir.nii.ac.jp/crid/1130282272657778176