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