Gaya APA

Ridwan, S., Josua, T. (2009). Creative Digital Marketing (edisi 1). JAKARTA: PT. Elex Media Komputindo.

Gaya MLA

Ridwan, Sanjaya., Josua, Tarigan. "Creative Digital Marketing". edisi 1 JAKARTA: PT. Elex Media Komputindo, 2009. Text.