Ecyclopaedia of international law : vol. 8 international law and political change
Anmol Publications, 1997
 Buku Referensi
Houtte, Hans Van
The law of international trade
Sweet & Maxewell, 1995
 Buku Referensi
Questions of international law; Vol. 2
edited by György Haraszti
Sijthoff and Noordhoff, 1981
 Buku Teks
Ecyclopaedia of international law; Vol. 6 : International law in trade and commerce
edited by Vinod K. Lall, Danial Khemchand
Anmol Publications, 1997
 Buku Referensi
Fenwick, Charles G.
International law
Appleton-Century-Crofts, 1948
 Buku Teks