Gaya APA
Kartajaya, H., Hardi, E.
(2016).
Grow Your Sales Wow You Service
(
1)
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Kartajaya, Hermawan., Hardi, Edwin.
"Grow Your Sales Wow You Service".
1
Jakarta:
PT Gramedia Pustaka Utama,
2016.
Text.