Gaya APA

Silalahi, I, V., Luckyardi, S. (2022). Marketing Plan: Theory and case study (1). Yogyakarta: Expert.

Gaya MLA

Silalahi, Ira, Valentina., Luckyardi, Senny. "Marketing Plan: Theory and case study". 1 Yogyakarta: Expert, 2022. Teks Manajemen.