APA Style
Ridwansyah, A.
(2017).
Instant Marketing For Busy People : Rangkuman...
.
Jakarta:
Esensi Erlangga.
MLA Style
Ridwansyah, Ardhi.
"Instant Marketing For Busy People : Rangkuman...".
Jakarta:
Esensi Erlangga,
2017.
Book.