R. Subekti, 1914-
The Law of contracts in Indonesia remedies of breach
Haji Masagung, 1989
 Buku Teks SO
Waddams, S.M.
The Law of Contracts
Canada Law Book INC, 1984
 Buku Teks
Calamari, John D.
The law of contracts
West Publishing, 1987
 Buku Teks SO
Calamari, John D.
The law of contracts
West Publishing, 1987
 Buku Teks SO
Arie Sukanti Sumantri
The law of contract in Indonesia practical issues in drafting business contracts
Universitas Indonesia, 1993
 Buku Teks