Gaya APA
Tenardhi, B, T.
(2012).
The 8 Continuums of Sales Management Process
(
1)
.
Depok:
Raih Asa Sukses.
Gaya MLA
Tenardhi, Billy, Taufan.
"The 8 Continuums of Sales Management Process".
1
Depok:
Raih Asa Sukses,
2012.
Text.