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. Book.

MLA Style

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

Turabian Style

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