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. Congress. Senate. Special Committee on Aging,"Assistive technologies for independent aging : opportunities and challenges : hearing before the Special Committee on Aging, United States Senate, One Hundred Eighth Congress, second session, Washington, DC, April 27, 2004",,"U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O.",2004,S. hrg.,,,,https://cir.nii.ac.jp/crid/1130000798035842560