Gaya APA
Ang, P, K, G, A, S, H. (2014).
Principles Of Marketing : A Global Perspective (-).
Singapore:
PEARSON Prentice Hall.
Gaya MLA
Ang, Philip, Kotler,, Gary, Armstrong,, Swee, Hoon.
"Principles Of Marketing : A Global Perspective".
-
Singapore:
PEARSON Prentice Hall,
2014.
Text.