Gaya APA
pd, D, H, E, S, S, M. (2002).
Principles Of Service Marketing And Management .
New Jersey:
pearson education international.
Gaya MLA
pd, Dra., Hj., Ella, Sulhah, Saidah,, M..
"Principles Of Service Marketing And Management".
New Jersey:
pearson education international,
2002.
Text.