APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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