Gaya APA
Haryono, P, D, P, B.
(2016).
How To Win Customer Through Customer Service with Heart
.
Yogyakarta:
ANDI.
Gaya MLA
Haryono, Prof, Dr, PM, Budi.
"How To Win Customer Through Customer Service with Heart".
Yogyakarta:
ANDI,
2016.
.