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
Ashworth, Allan
Contractual procedures in the construction industry
Longman, 2001
 Buku Teks
Burr, Andrew
International contractual and statutory adjudication
Informa Law from Routledge, 2017
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Collier, Keith, 1927-
Managing construction : the contractual viewpoint
Delmar, 1994
 Buku Teks SO