Gaya APA

Tapp, Alan; Whitten, Ian; Housden, Matthew. (2014). Principles of Direct, Database and Digital Marketing, 5th edition (5). United Kingdom: Pearson Education.

Gaya Chicago

Tapp, Alan; Whitten, Ian; Housden, Matthew. Principles of Direct, Database and Digital Marketing, 5th edition. 5 United Kingdom: Pearson Education, 2014. .

Gaya MLA

Tapp, Alan; Whitten, Ian; Housden, Matthew. Principles of Direct, Database and Digital Marketing, 5th edition. 5 United Kingdom: Pearson Education, 2014. .

Gaya Turabian

Tapp, Alan; Whitten, Ian; Housden, Matthew. Principles of Direct, Database and Digital Marketing, 5th edition. 5 United Kingdom: Pearson Education, 2014. .