Citazione Stile APA (7a Edizione)

Tapp, A. (2012). Principles of Direct and Database Marketing: A Digital Orientation (4th.). Pearson.

Citazione stile Chigago Style (17a edizione)

Tapp, Alan. Principles of Direct and Database Marketing: A Digital Orientation. 4th. Noida: Pearson, 2012.

Citatione MLA (9a ed.)

Tapp, Alan. Principles of Direct and Database Marketing: A Digital Orientation. 4th. Pearson, 2012.