Honnold, John O.
      
      
         Kluwer law and Taxation Publishers, 1989
       Buku Teks SO
   
      edited by Cornell International Law Journal
      
         Kluwer law international, 1995
       Buku Teks SO
   
Janet
      
      
         Fakultas Hukum Universitas Indonesia, 2017
       UI - Skripsi Membership
   
      
      
         Cambridge University Press, 2005
       Buku Teks
   
Thea Mutiara Khalifa
      
      
         Fakultas Hukum Universitas Indonesia, 2021
       UI - Skripsi Membership