Calamari, John D.
Contracts
West Publishing, 1990
 Buku Teks
Eisenberg, Melvin A.
Contracts Gilbert law summaries
Harcourt Brace, 1994
 Buku Teks
Calamari, John D.
Contracts
West Publishing, 1987
 Buku Teks
Hay, Peter
Conflict of laws
West Publishing, 1994
 Buku Teks
Bailey, Henry J.
Secured transactions in a nutshell / Henry J. Biley III; Richard B. Hagedorn
West Publishing, 1988
 Buku Teks