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
"Freestone, David and Hey, Ellen",The precautionary principle and international law : the challenge of implementation,,Kluwer Law International,1996,International environmental law and policy series,,9041101438,,https://cir.nii.ac.jp/crid/1130000794805046400