Gaya APA
Chaffey, D., FionaEllis-Chadwick, .
(2016).
Digital Marketing
(
Cet.6)
.
London:
Pearson Education Limited.
Gaya MLA
Chaffey, Dave., FionaEllis-Chadwick, .
"Digital Marketing".
Cet.6
London:
Pearson Education Limited,
2016.
Text.