Lambert, Brian
10 steps to successful sales
American Society for Training & Development, 2010
 eBooks
Azar, Brian
Your successful sales career
[American Management Association, ], 2004
 eBooks
Voe, Merrill De
The how of successful sales management / Merrill De Voe
Prentice-Hall, 1957
 Buku Teks
Firmanzah
Successful new product launching (npl) in the local market : bridging standardization and localization
Salemba Empat, 2009
 Buku Teks
Stone, Bob
Successful telemarketing : opportunities and techniques for increasing sales and profits/ Bob Stone and John Wyman
Prentice-Hall, 1986
 Buku Teks