Cita APA

Bird, D. (2008). Commonsense direct and digital marketing (5 edition.).

Citación estilo Chicago

Bird, Drayton. Commonsense Direct and Digital Marketing. 5 edition. Kogan Page Inda Pvt Ltd: New Delhi, 2008.

Cita MLA

Bird, Drayton. Commonsense Direct and Digital Marketing. 5 edition. 2008.