Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bowden, Witt and United States. Bureau of Labor Statistics","American labor and the American spirit : unions, labor-management relations, and productivity",,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off",1954,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271916907904