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
"Krug, Edward A. and North Central Association of Colleges and Secondary Schools. Committee on Experimental Units",Why taxes? : what they buy for us,,Ginn,1939,Unit studies in American problems,,,,https://cir.nii.ac.jp/crid/1130282268784474624