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
"Langford, Peter and Bryan, Ian and McGarry, John and Hans Kelsen and the Natural Law Tradition (Conference)",Hans Kelsen and the natural law tradition,,Brill,2019,Studies in moral philosophy,,9789004390386,,https://cir.nii.ac.jp/crid/1130000794268112640