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 United States. Agricultural Marketing Service,Egg grading manual,Rev,"U.S. Dept. of Agriculture, Agricultural Marketing Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.",1975,Agriculture handbook,,,,https://cir.nii.ac.jp/crid/1130282271079102208