Gaya APA
Ridwansyah, A., Medya, R. (2017).
Instant Marketing for Busy People : Rangkuman Intisari Pemasaran .
Jakarta:
Esensi Erlangga Group.
Gaya MLA
Ridwansyah, Ardhi., Medya, Ratri.
"Instant Marketing for Busy People : Rangkuman Intisari Pemasaran".
Jakarta:
Esensi Erlangga Group,
2017.
BOOK.