Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"United States. Bureau of Labor Statistics and O'Connor, Charles M.","Industry wage survey : fabricated structural steel, October-November 1964",,"U.S. Dept. of Labor, Bureau of Labor Statistics : For sale by the Supt. of Docs., U.S. G.P.O.",1965,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000794101501440