Gaya APA

HELIANTHUSONFRI, J. (2021). 15+ SOCIAL MEDIA MARKETING APPS (Cet.1). jakarta: ELEX MEDIA KOMPUTINDO PT.

Gaya MLA

HELIANTHUSONFRI, JEFFERLY. "15+ SOCIAL MEDIA MARKETING APPS". Cet.1 jakarta: ELEX MEDIA KOMPUTINDO PT, 2021. .