Gaya APA
ZEITHAML, Valarie A.. (2013).
SERVICES MARKETING (6th).
New York:
MCGRAW-HILL.
Gaya Chicago
ZEITHAML, Valarie A..
SERVICES MARKETING.
6th
New York:
MCGRAW-HILL,
2013.
Text.
Gaya MLA
ZEITHAML, Valarie A..
SERVICES MARKETING.
6th
New York:
MCGRAW-HILL,
2013.
Text.
Gaya Turabian
ZEITHAML, Valarie A..
SERVICES MARKETING.
6th
New York:
MCGRAW-HILL,
2013.
Print.