APA Style
Chaffey, D., Ellis-Chadwick, F. (2016).
Digital Marketing : Strategy, Implementation and practice (6th Ed).
Harlow:
Pearson.
MLA Style
Chaffey, Dave., Ellis-Chadwick, Fiona.
"Digital Marketing : Strategy, Implementation and practice".
6th Ed
Harlow:
Pearson,
2016.
e-Book.