Weits, Barton A.
Selling : building partnerships
McGraw-Hill Irwin, 2001
 Buku Teks SO
Allen, Peter
Selling
Pitman, 1998
 Buku Teks SO
Allen, Robert Y.
Selling dynamics
McGraw-Hill, 1984
 Buku Teks SO
Wingate, John W.
Fundamentals of selling
South-Western Publishing, 1959
 Buku Teks SO
Kurtz, David L.
Professional selling
Business Publications, 1982
 Buku Teks SO