Waddams, S.M., editor
The Law of Contracts
Canada Law Book INC, 1984
Buku Teks
Calamari, John D.
The law of contracts
West Publishing, 1987
Buku Teks
Data processing and the law / Edited by Colin Campbell
Sweet & Maxwell, 1984
Buku Teks
Eisenberg, Melvin A.
Contracts Gilbert law summaries
Harcourt Brace, 1994
Buku Teks
Hunter, Howard O.
Modern Law of Contracts
Gorham & Lamont, 1987
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