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,"Employment and earnings statistics for the United States, 1909-60 : revised on the basis of the 1957 standard industrial classification",,U.S. Government Printing Office,1961,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000795029702400