Gaya APA
Tracy, B. et al
(2022).
BRIAN TRACY The Psychology Of Selling
(
cet.3)
.
Jakarta:
Kelompok Gramedia BIP.
Gaya MLA
Tracy, Brian. et al.
"BRIAN TRACY The Psychology Of Selling".
cet.3
Jakarta:
Kelompok Gramedia BIP,
2022.
Text.