Gaya APA
Lovelock, C., Wirtz, J.
(2011).
Services marketing: people; technology; strategy 7ed.
.
Boston:
Pearson.
Gaya MLA
Lovelock, Christopher., Wirtz, Jochen.
"Services marketing: people; technology; strategy 7ed.".
Boston:
Pearson,
2011.
Text.