Exploring contract law
Jason W Neyers; Richard Bromaugh; Stephen G A Pitel
Hart Pub., 2009
 Buku Teks SO
Elliot, Catherine
Contract law
Longman , 2001
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Higgins, P.F.P.
Law of Contract
Butterworth, 1974
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Richards, Paul H.
Law of Contract
Pitman, 1999
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Tang See Chim
Contract Law
Books International, 1987
 Buku Teks