Wilson, J. F.
Principles of the law of contract
Sweet & Maxwell, 1957
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
Anson, William R., Sir
Principles of the english law of contract and of agency in its relation to contract
Clarendon Press, 1947
Buku Teks
Anson, Sir William R
Principles of the English law of contract and of agency in its relation to contract
3124, 1961
Buku Teks
Elliot, Catherine
Contract law
Longman , 2001
Buku Teks