Gaya APA
WIRTZ, Jochen. (2016).
SERVICES MARKETING (cet-1).
America:
pt word scientific.
Gaya Chicago
WIRTZ, Jochen.
SERVICES MARKETING.
cet-1
America:
pt word scientific,
2016.
Text.
Gaya MLA
WIRTZ, Jochen.
SERVICES MARKETING.
cet-1
America:
pt word scientific,
2016.
Text.
Gaya Turabian
WIRTZ, Jochen.
SERVICES MARKETING.
cet-1
America:
pt word scientific,
2016.
Print.