Brown, Gordon W.
Legal terminology / Gordon W. Brown
Prentice-Hall, 1990
 Buku Teks
Brierty, Edward G.
Business marketing/Edward G. Brierty, Robert W. Eckles, Robert R. Reeder
Prentice-Hall, 1998
 Buku Teks
Brown, Ray Andrews
The Law of personal property / Ray Andrews Brown
Callaghan & Company, 1955
 Buku Teks
Greene, Mark R.
Personal financial management/Mark R. Greene, Robert R. Dince
South-Western Publishing CO., 1983
 Buku Teks
Hamilton, Robert W.
Fundamentals of modern business / Robert W. Hamilton.
Little, Brown , 1989.
 Buku Teks