著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
U.S. Fish and Wildlife Service,Status nd Trends of Wetlands in the Conterminous United States 1998 to 2004,http://www.fws.gov/Wetlands/_documents/gSandT/NationalReports/StatusTrendsWetlandsConterminousUS1998to2004.pdf,,,2010,,,,https://cir.nii.ac.jp/crid/1574231875493587968,