Breithaupt, Tim
10 steps to sales success: the proven system that can shorten the selling cycle, double your close ratio, and significantly increase your income
[American Management Association, ], 2003
 eBooks
Remley, Jim
Make million$ selling real estate: earning secrets of top agents
American Management Association, 2005
 eBooks
Humes. James C.
Talk your way to the top/ James C. Humes
McGraw-Hill , 1980
 Buku Teks
Scott, Gini Graham
Want it, see it, get it: visualize your way to success
American Management Association, 2009
 eBooks
Kaplan, Burton
Everything you need to know to talk your way to success
Prentice-Hall, 1995
 Buku Teks