Gaya APA

Ridwansyah, A., [ed], F, N. (2017). Instant marketing for busy people . [s.l.]: Esensi.

Gaya MLA

Ridwansyah, Ardhi., [ed], Firda, Nurizahro. "Instant marketing for busy people". [s.l.]: Esensi, 2017. Text.