Gaya APA
ARMSTRONG, KOTLER. (2001).
PRINCIPLES OF MARKETING NINTH EDITION .
NEW JERSEY:
PRENTINCE HALL.
Gaya Chicago
ARMSTRONG, KOTLER.
PRINCIPLES OF MARKETING NINTH EDITION.
NEW JERSEY:
PRENTINCE HALL,
2001.
Text.
Gaya MLA
ARMSTRONG, KOTLER.
PRINCIPLES OF MARKETING NINTH EDITION.
NEW JERSEY:
PRENTINCE HALL,
2001.
Text.
Gaya Turabian
ARMSTRONG, KOTLER.
PRINCIPLES OF MARKETING NINTH EDITION.
NEW JERSEY:
PRENTINCE HALL,
2001.
Print.