Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United States. Congressional Budget Office,"The safe drinking water act : a case study of an unfunded federal mandate/Congress of the U.S., Congressional Budget Office",,"Congress of the U.S., Congressional Budget Office, [1995]",1995,A CBO study,,,,https://cir.nii.ac.jp/crid/1130282272139862528