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. Bureau of Labor Statistics and United States. Bureau of Labor Statistics. Industrial Relations Division,"Wages, hours, and working conditions in union bakeries, June 1, 1939",,"U.S. G.P.O.,For sale by the Supt. of Docs., U.S. G.P.O.",1940,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000796849155072