Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,"Employment and economic status of older men and women, May 1952",,"U.S. Dept. of Labor, Bureau of Labor Statistics,For sale by the Supt. of Docs., U.S. Govt. Print. Off.",1952,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282268942708096