Calkins, Richard M.
Antitrust guidelines for the business executive
Dow Jones-Irwin, 1981
 Buku Teks
Successful small business management
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
 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
Moran, Robert T.
Dynamics of successful international business negotiations
Gulf, 1991
 Buku Teks