Bird, D. (2008). Commonsense direct and digital marketing (5.). Kogan Page.
Chicago Style (17th ed.) CitationBird, Drayton. Commonsense Direct and Digital Marketing. 5. New Delhi: Kogan Page, 2008.
MLA (9th ed.) CitationBird, Drayton. Commonsense Direct and Digital Marketing. 5. Kogan Page, 2008.
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