Greene, Mark R.
Personal financial management/Mark R. Greene, Robert R. Dince
South-Western Publishing CO., 1983
 Buku Teks
Stern, Louis W.
Management in marketing channels/ Louis W. Stern, Adel I. El-Ansary and James R. Brown
Prentice-Hall, 1989
 Buku Teks
Principles of business law/Essel R. Dillavou...[etal]
Prentice-Hall, 1962
 Buku Teks
Black, Homer A
Accounting in business decisions: theory, method, and use / [by] Homer A. Black, John E. Champion [and] R. Gene Brown.
Prentice-Hall, 1967
 Buku Teks
Wharley, W. Gordon
Principles of biology / W. Gordon Wharley
Harper & Row, 1964
 Buku Teks