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
International Union for Conservation of Nature and Natural Resources. Secretariat and IUCN Commission on National Parks and Protected Areas,1973 United Nations list of national parks and equivalent reserves,,International Union for Conservation of Nature and Natural Resources,1973,IUCN publications,,,,https://cir.nii.ac.jp/crid/1130000795679502848