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 "Davis, D. E. (David Everett) and Beach, J. R. (Jerry Raymond)",A study of the relative value of certain root crops and salmon oil as sources of vitamin A for poultry,,"University of California, Agricultural Experiment Station",1926,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269964308224