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
"Villiger, Mark Eugen",Customary international law and treaties : a study of their interactions and interrelations with special consideration of the 1969 Vienna Convention on the Law of Treaties,,"M. Nijhoff,Distributors for the U.S. and Canada, Kluwer Academic",1985,Developments in international law,,"9024723450,9024729807",,https://cir.nii.ac.jp/crid/1130000796802520192