Gaya APA
Jobber, D., LANCASTER, G.
(2000).
Selling and sales management
(
5, cet. 1)
.
New Jersey:
Prentice Hall.
Gaya MLA
Jobber, David., LANCASTER, Geoff.
"Selling and sales management".
5, cet. 1
New Jersey:
Prentice Hall,
2000.
Buku.