Jobber, David
Selling and sales management
Prentice-Hall, 2000
 Buku Teks SO
Thomas, Wayne M.
The Sales manager's success manual
Amacom, 2008
 Buku Teks SO
Thomas, Wayne M.
The sales manager's success manual
Amacom, 2008
 eBooks
Miller, William
Proactive sales management: how to lead, motivate, and stay ahead of the game
American Management Association, 2009
 eBooks
Seidman, Dan
Sales training that drives revenue: ISD
American Society for Training & Development, 2008
 eBooks