Gaya APA
RUSIDY, M.
(2017).
COSTOMER EXCELLENCE
(
Cetakan 1)
.
Yogyakarta:
GOSYEN PUBLISHER .
Gaya MLA
RUSIDY, MHD.
"COSTOMER EXCELLENCE".
Cetakan 1
Yogyakarta:
GOSYEN PUBLISHER ,
2017.
Monograf.