Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics,Projections 2000,,"U.S. Dept. of Labor, Bureau of Labor Statistics : For sale by the Supt. of Docs., U.S. G.P.O.",1988,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282268902002432