Gaya APA
Silalahi, I, V., Suprayogi, Y.
(2023).
Marketing Plan: Theory And Case Study
.
Yogyakarta:
Expert.
Gaya MLA
Silalahi, Ira, Valentina., Suprayogi, Yogi.
"Marketing Plan: Theory And Case Study".
Yogyakarta:
Expert,
2023.
Text.