Stone, Richard
Principles of Contract Law
Cavendish Publishing Limited, 2000
 Buku Teks
Wilson, J. F.
Principles of the law of contract
Sweet & Maxwell, 1957
 Buku Teks
Smith, James Cruickshanks, 1867-1946
Fundamental Principles of Law The Law of Contract
Sweet & Maxwell, 1989
 Buku Teks
Rachagan, Shanthy
Concise principles of company law in Malaysia
LexisNexis, 2010
 Buku Teks
Anson, William R., Sir
Principles of the law of contract : with a chapter on the law of agency
Oxford University Press, 1930
 Buku Teks