Gaya APA
Chaffey, D., Ellis-Chadwick, F. (2019).
Digital Marketing : Strategy, Implementation and Practice (7).
London:
Pearson.
Gaya MLA
Chaffey, Dave., Ellis-Chadwick, Fiona.
"Digital Marketing : Strategy, Implementation and Practice".
7
London:
Pearson,
2019.
Text.