Cita APA (7a ed.)

Bird, D. (2008). Commonsense Direct and Digital Marketing (5th.). Kogan Page India Private Limited.

Cita Chicago Style (17a ed.)

Bird, Drayton. Commonsense Direct and Digital Marketing. 5th. New Delhi: Kogan Page India Private Limited, 2008.

Cita MLA (9a ed.)

Bird, Drayton. Commonsense Direct and Digital Marketing. 5th. Kogan Page India Private Limited, 2008.