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. Office of Technology Assessment,Science and technology issues in coastal ecotourism,,"Office of Technology Assessment, Congress of the United States",1992,Background paper,,0160381525,,https://cir.nii.ac.jp/crid/1130282272681794432