Lawson, R.G.
Business law : a complete guide for students of business and marketing
Butterworth-Heinemann, 1992
 Buku Referensi
Sudargo Gautama
Indonesia business law
FT Law & Tax Asia Pacific, 1997
 Buku Teks SO
Marsh, S.B.
Business law
McGraw-Hill, 1975
 Buku Teks SO
Woon, Walter C.M.
Basic business law in Singapore
Prentice-Hall, 2000
 Buku Teks
Hotchkiss, Carolyn
International law for business
McGraw-Hill, 1994
 Buku Teks SO