APA Style

Sholihin, Riadhus. (2019). Digital Marketing di Era 4.0 . Yogyakarta : Quadrant.

Chicago Style

Sholihin, Riadhus. Digital Marketing di Era 4.0. Yogyakarta : Quadrant, 2019. Text.

MLA Style

Sholihin, Riadhus. Digital Marketing di Era 4.0. Yogyakarta : Quadrant, 2019. Text.

Turabian Style

Sholihin, Riadhus. Digital Marketing di Era 4.0. Yogyakarta : Quadrant, 2019. Print.