Ramberg, Jan
Guide to incoterms 1990: international commercial terms
ICC Publishing, 1991
 Buku Teks SO
Oudot, Simone
Guide to correspondence in French : a practical guide to social and commercial correspondence = Guide de correspodance en Francais
Jakarta : Binarupa Aksara, 1991
 Buku Referensi
Dolan, John F.
Commercial law : essential terms and transactions : an adaptation for law students of Fundamentals of commercial activity, a lawyer`s guide
Aspen Law & Business , 1997
 Buku Teks
Ashworth, Allan
Contractual procedures in the construction industry
Longman, 2001
 Buku Teks
Burr, Andrew
International contractual and statutory adjudication
Informa Law from Routledge, 2017
 Buku Teks SO