Gaya APA

Charlesworth, A. (2018). e-Book - Digital Marketing: A Practical Approach (Cet. 3). : Routledge (Taylor & Francis Group).

Gaya MLA

Charlesworth, Alan. "e-Book - Digital Marketing: A Practical Approach". Cet. 3 : Routledge (Taylor & Francis Group), 2018. Electronic Resource.