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 "Selby, H. E. (Halbert Edgerton)",Cost of producing silage and kale in the Willamette Valley,,"Agricultural Experiment Station, Oregon State Agricultural College",1929,Station bulletin,,,,https://cir.nii.ac.jp/crid/1130282271681907968