Raworth, Philip
Legal guide to international business transaction
Thomson Professional Publishing, 1991
 Buku Teks
Willes, John H.
International business law: environments and transaction
McGraw-Hill, 2005
 Buku Teks SO
The Musician's business and legal guide
edited and compiled by Mark Halloran
Prentice-Hall, 1991
 Buku Teks SO
Jasion, Jan T.
The International guide to legal deposit
Ashgate Publishing Limited, 1991
 Buku Referensi
Guide to international legal research
Butterworth Legal Publishers, 1993
 Buku Teks SO