Bradbrook, Adrian J.
The Law Book Company Limited, 1991
Buku Teks
Megarry, Robert
Stevens and Sons, 1975.
Buku Teks
Khublall, N.
Butterworths, 1996
Buku Teks
Lawler, J. John
Foundation Press, 1940
Buku Teks
Moynihan, Cornelius J.
West Publishing, 1962
Buku Teks