Gaya APA
Kingsnorth, S. (2019).
Digital Marketing Strategy: An Integrated Approach to Online Marketing 2rd Edition (2rd Edition).
USA:
Kogan page.
Gaya MLA
Kingsnorth, Simon.
"Digital Marketing Strategy: An Integrated Approach to Online Marketing 2rd Edition".
2rd Edition
USA:
Kogan page,
2019.
Text.