Successful small business management
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
 Buku Teks
Ebert, Ronald J.
Business essential
Prentice-Hall, 1998
 Buku Teks
Dersal, William R. Van
The Successful supervisor in government and business
Harper & Brother, 1962
 Buku Teks
Forsyth, Patrick
The art of successful business communication
Institution of Engineering and Technology, 2008
 eBooks
Bradley, Teresa
Essential mathematics for economics and business
John Wiley & Sons, 2002
 Buku Teks