Bird, D. (2008). Commonsense direct and digital marketing (5th ed.). Kogan Page.
Chicago Style citaatBird, Drayton. Commonsense Direct and Digital Marketing. 5th ed. New Delhi: Kogan Page, 2008.
MLA citatieBird, Drayton. Commonsense Direct and Digital Marketing. 5th ed. Kogan Page, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.