Lapp, Charles L.
Successful selling strategies : how to climb the ladder to sales succes
McGraw-Hill, 1957
 Buku Teks SO
Norris, James S.
Selling-the how and why : a comprehensive introduction to salesmanship
Prentice-Hall, 1982
 Buku Teks SO
Lorenzo, Renato Di, 1944-
How to make money by fast trading: a guide to success
Springer, 2012
 eBooks
Miller, William
Proactive sales management: how to lead, motivate, and stay ahead of the game
American Management Association, 2009
 eBooks
Lytle, Chris
The accidental salesperson: how to take control of your sales career and earn the respect and income you deserve
[American Management Association;, ], 2000
 eBooks