Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,"Earnings and supplementary benefits in hospitals, Mid 1960",,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1961,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000794491726336