Gaya APA
LOVELOCK, C, (, A., WIRTZ, J. (2011).
Service Marketing ; People ; technology strategy 7th ed .
Boston:
Pearson.
Gaya MLA
LOVELOCK, Christopher, (et., Al)., WIRTZ, Jochen.
"Service Marketing ; People ; technology strategy 7th ed".
Boston:
Pearson,
2011.
Text.