Gaya APA

HELIANTHUSONFRI, J., FIRDAUS, A, P. (2019). BELAJAR SECIAL MEDIA MARKETING . JAKARTA: PT ELEX MEDIA KOMPUTINDO.

Gaya MLA

HELIANTHUSONFRI, JEFFERLY., FIRDAUS, AREYA, PRABU. "BELAJAR SECIAL MEDIA MARKETING". JAKARTA: PT ELEX MEDIA KOMPUTINDO, 2019. Text.