edited by M.A. Bienefeld and Martin Godfrey
John Wiley & Sons, 1982
Buku Teks
Bhagwati, Jagdish
Penguin Books, 1969
Buku Teks
Folsom, Ralph Haughwout
[publisher not identified], [date of publication not identified]
Buku Teks
Bertrams, Roeland F.
Kluwer Law International, 1996
Buku Teks
Horn, Paul V.
Prentice-Hall, 1959
Buku Teks