Shinn, George
Introduction to professional selling / George Shinn
Gregg Division, McGraw-Hill, 1982
 Buku Teks
Eccher, Clint
Professional web design : techniques and templates
Charles River Media, 2002
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Bacon, Terry R., 1947-
Selling to major accounts: tools, techniques, and practical solutions for the sales manager
[American Management Association;, ], 1999
 eBooks
Robeson, James F.
Selling
Richard D. Irwin , 1978
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Allen, Peter
Selling
Pitman, 1998
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