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
"Valgren, Victor Nelson and Engelbert, Elmer Eugene",Bank loans to farmers on personal and collateral security,,Government Printing Office,1922,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000797203765120