Gaya APA
Kotler, Philip, Amstrong, Gary. (1989).
PRINCIPLES OF MARKETING (4).
:
.
Gaya Chicago
Kotler, Philip, Amstrong, Gary.
PRINCIPLES OF MARKETING.
4
:
,
1989.
Text.
Gaya MLA
Kotler, Philip, Amstrong, Gary.
PRINCIPLES OF MARKETING.
4
:
,
1989.
Text.
Gaya Turabian
Kotler, Philip, Amstrong, Gary.
PRINCIPLES OF MARKETING.
4
:
,
1989.
Print.