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 Library of Congress. Congressional Research Service,"What should the federal government do to enhance the quality of life for United States citizens over age 65? : national debate topic for high schools, 1988-1989, pursuant to Public Law 88-246",,U.S. G.P.O.,1988,Document,,,,https://cir.nii.ac.jp/crid/1130000797090244480