Arie Sukanti Sumantri
The law of contract in Indonesia practical issues in drafting business contracts
Universitas Indonesia, 1993
 Buku Teks
Burnham, Scott J.
Drafting contracts : a giude to the practical applicationof the principles of contract law
Michie, 1993
 Buku Teks SO
Kenneth A. Adams
A Manual of style for contract drafting
United States of America, 2008
 Buku Teks
Adams, Kenneth A.
A manual of style for contract drafting
American Bar Association, 2008
 Buku Teks SO
R. Pratomo
The agency contract and the power of attorney applied to business in Indonesia
[Publisher not identified], 1972
 Buku Teks