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.