APA Style
Kotler, P. et al (2016).
Marketing 4.0: Moving from Traditional to Digital (E-Book) .
Jakarta:
PT Gramedia Pustaka Utama.
MLA Style
Kotler, Philip. et al.
"Marketing 4.0: Moving from Traditional to Digital (E-Book)".
Jakarta:
PT Gramedia Pustaka Utama,
2016.
Text.