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 "Johnston, Warren E. and McCalla, Alex F.","Whither California agriculture-- up, down, or out? : some thoughts about the future",,"Giannini Foundation of Agricultural Economics, University of California",2004,Giannini Foundation special report,,,,https://cir.nii.ac.jp/crid/1130282271825131520