Johnson, Lewis K.
Sales and marketing management : text and cases
Allyn and Bacon, 1957
Buku Teks
Bolt, Gordon
Encyclopaedia of management : marketing and sales vol. 6
Crest publishing, 1999
Buku Referensi
Ho, Samuel K.
Encyclopaedia of management; TQM
Crest publishing, 1999
Buku Referensi
Linoff, Gordon S.
Data mining techniques: for marketing, sales, and customer relationship management
Wiley publishing, 2011
Buku Teks
Still, Richard R.
Sales management
Prentice Hall International, 1988
Buku Teks