Gaya APA
HARYONO, B., [ed.], H, P.
(2013).
How to manage customer voice :
.
Yogyakarta:
Andi Offset.
Gaya MLA
HARYONO, Budi., [ed.], HERNITA, P..
"How to manage customer voice :".
Yogyakarta:
Andi Offset,
2013.
Buku.