Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,Salaries of office workers in selected large cities,,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1948,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271276907008