Gaya APA

Sholihin, Riadhus. (2019). DIGITAL MARKETING DI ERA 4.0 . Yogyakarta: QUADRANT.

Gaya Chicago

Sholihin, Riadhus. DIGITAL MARKETING DI ERA 4.0. Yogyakarta: QUADRANT, 2019. Text.

Gaya MLA

Sholihin, Riadhus. DIGITAL MARKETING DI ERA 4.0. Yogyakarta: QUADRANT, 2019. Text.

Gaya Turabian

Sholihin, Riadhus. DIGITAL MARKETING DI ERA 4.0. Yogyakarta: QUADRANT, 2019. Print.