Goodrich, Leland M., author
Thomas Y. Crowell, 1961
Buku Teks
Andreas Aghyp, author
Fakultas Hukum Universitas Indonesia, 2012
UI - Skripsi (Open)
American Bar Association, 1978
Buku Teks
United Nations, [date of publication not identified]
Buku Teks
United Nations, 1966
Buku Teks