Gaya APA
Kotler, P., Kartajaya, H. (2017).
MARKETING4.0 Moving from Traditional to Digital (edisi 7).
New York:
WILEY.
Gaya MLA
Kotler, Philip., Kartajaya, Hermawan.
"MARKETING4.0 Moving from Traditional to Digital".
edisi 7
New York:
WILEY,
2017.
Text.