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
European Working Conference on Environmental Conservation Education and International Union for Conservation of Nature and Natural Resources,"European Working Conference on Environmental Conservation Education, Rüschlikon near Zürich, Switzerland, 15-18 December 1971 : final report",,International Union for Conservation of Nature and Natural Resources,1972,IUCN publications,,,,https://cir.nii.ac.jp/crid/1130000796520471552