Allen, Peter
Selling
Pitman, 1998
Buku Teks
Lapp, Charles L.
Successful selling strategies : how to climb the ladder to sales succes / Charles L. Lapp
McGraw-Hill, 1957
Buku Teks
Rodgers, Mark
Accelerate the sale : kick-start your personal selling style to close more sales, faster
McGraw-Hill , 2011
Buku Teks
Williams, Alan
All about selling / Alan Williams
McGraw-Hill, 1983
Buku Teks
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
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