APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.