Houtte, Hans van
Sweet and Maxwell, 1995
Buku Referensi
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
The National Bank, 1979
Buku Teks SO