Gaya APA
LOVELOCK, C., WIRTZ, J. (2007).
SERVICES MARKETING; People, Technology, Strategy (6th).
Australia:
PEARSON PRENTICE HALL.
Gaya MLA
LOVELOCK, Christopher., WIRTZ, Jochen.
"SERVICES MARKETING; People, Technology, Strategy".
6th
Australia:
PEARSON PRENTICE HALL,
2007.
Text.