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 "Croxton, Frederick Cleveland and Croxton, Frank C. and Croxton, Frederick Emery and United States. Bureau of Labor Statistics",Average annual wage and salary payments in Ohio 1916 to 1932,,"U.S. G.P.O,For sale by the Supt. of Docs., U.S. G.P.O.",1935,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269126359296