Kurtz, David L.
Professional selling / David L. Kurtz, H. Robert Dodge, Jay E. Klompmaker
Business Publications, Inc., 1982
 Buku Teks
Johnson, Lewis K.
Sales and marketing management : text and cases
Allyn and Bacon, 1957
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Still, Richard R.
Sales management : decisions, policies, and cases
Prentice-Hall, 1958
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Murphy, Robert F.
Robert H. Lowie
Columbia University Press, 1972
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Dodge, H Robert
Field soles management: text and cases
, Texas Businnes Publicatins , 1973
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