Langen, Eugen.
Transnational commercial law. / by Eugen Langen
A. W. Sijthoff , 1973
 Buku Teks
Modern business law and the regulatory environment
by Thomas W. Dunfee [and others]
McGraw-Hill, 1996
 Buku Teks
Commercial law : with case questions / American Institute of Banking
American Institute of Banking, 1962
 Buku Teks
Anderson, Ronald A., author
Business law/ Ronald A. Anderson and Walter A. Kumpf
South-Western Publishing Co, 1961
 Buku Teks
Rogers, Margaret
Outline of the commercial law in East Africa / Margaret Rogers
Oceana Publications Inc., 1969
 Buku Teks