Gaya APA
Haryono, Budi. (2018).
How To be A Professional Customer Service (1st ed.).
Yogyakarta:
ANDI.
Gaya Chicago
Haryono, Budi.
How To be A Professional Customer Service.
1st ed.
Yogyakarta:
ANDI,
2018.
Text.
Gaya MLA
Haryono, Budi.
How To be A Professional Customer Service.
1st ed.
Yogyakarta:
ANDI,
2018.
Text.
Gaya Turabian
Haryono, Budi.
How To be A Professional Customer Service.
1st ed.
Yogyakarta:
ANDI,
2018.
Print.