Elliot, Catherine
Contract law
Longman , 2001
Buku Teks
McKendrick, Ewan
Contract law
Macmillan, 1994
Buku Teks
Higgins, P. F. P.
Law of Contract
Butterworth, 1974
Buku Teks
Richards, Paul H.
Law of Contract
Pitman, 1999
Buku Teks
Tang See Chim
Contract Law
Books International, 1987
Buku Teks