Rayner, Susan E.
The Theory of contracts in Islamic law
Graham Trotman, 1991
 Buku Teks
Logic of Choice and Economic Theory
 Buku Teks
Logic of Choice and Economic Theory
 Buku Teks
Calamari, John D.
Contracts
West Publishing, 1987
 Buku Teks
Calamari, John D.
Contracts
West Publishing, 1990
 Buku Teks