Gaya APA
Herlambang, S. (2010).
Public Relations and Customer Service (Pertama, Cetakan ke 1).
Yogyakarta:
Gosyen Publishing.
Gaya MLA
Herlambang, Susatyo.
"Public Relations and Customer Service".
Pertama, Cetakan ke 1
Yogyakarta:
Gosyen Publishing,
2010.
.