Bix, Brian H.
Contract law : rules, theory, and context
Cambridge University Press, 2012
 Buku Teks
Liao, Wenqing
The Application of the Theory of Efficient Breach in Contract Law: A Comparative Law and Economics Perspective
Intersentia, 2015
 eBooks
Elliot, Catherine
Contract law
Longman , 2001
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McKendrick, Ewan
Contract law
Macmillan, 1994
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Higgins, P. F. P.
Law of Contract
Butterworth, 1974
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