Gaya APA
Haryono, B.
(2016).
HOW TO WIN CUSTOMER THROUGH CUSTOMER SERVICE WITH HEART
(
1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Haryono, Budi.
"HOW TO WIN CUSTOMER THROUGH CUSTOMER SERVICE WITH HEART".
1
Yogyakarta:
Penerbit Andi,
2016.
Text.