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
"Pentzer, W. T. (Wilbur Tibbils) and United States. Dept. of Agriculture",Investigations on harvesting and handling fall and winter pears,,U.S. Dept. of Agriculture,1932,Technical bulletin,,,,https://cir.nii.ac.jp/crid/1130000795495581696