APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.