Boothby, William H, author
Cambridge University Press, 2018
eBooks
Paust, Jordan J., author
St. Paul Minn, 2000
Buku Teks
Khadduri, Majid, 1908-2007, author
The Johns Hopkins Press, 1955
Buku Teks
Hayes, Gail Boyer
Environmental Law Institute, 1979
Buku Teks
Kiss, Alexandre Charles, 1925-, author
Grotius Publications, 1993
Buku Referensi