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 "Thorfinnson, T. S. (Theodore Skulason)",Some applications of farm cost accounts,,"Agricultural Extension Division, North Dakota Agricultural College",1924,Circular,,,,https://cir.nii.ac.jp/crid/1130000797658471168