Gaya APA
dkk, S, K.
(2017).
WOW TO WIN CARA JITU SALES & PROMOTION
(
cet. 1)
.
Jakarta:
PT Gramedia Pusataka Utama.
Gaya MLA
dkk, Sigit, Kurniawan.
"WOW TO WIN CARA JITU SALES & PROMOTION".
cet. 1
Jakarta:
PT Gramedia Pusataka Utama,
2017.
Text.