著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. National Telecommunications and Information Administration,Defining the digital divide : a report on the telecommunications and information technology gap in America,"Rev., 11/99","U.S. Department of Commerce, National Telecommunications and Information Administration,U.S. Government Printing Office [distributor]",1999,Falling through the net,,0160501555,,https://cir.nii.ac.jp/crid/1130282269956008832