Gaya APA
Pengarang), M, R, (., Editor), N, A, (.
(2016).
Customer Excellence
(
Cetakan I)
.
:
Gosyen Publishing.
Gaya MLA
Pengarang), MHD, Rusydi, (., Editor), NUR, Aidi, (.
"Customer Excellence".
Cetakan I
:
Gosyen Publishing,
2016.
Text.