Bird, D. (1996). Commonsense direct marketing (3rd ed. fully rev.). Kogan Page.
Cita Chicago Style (17a ed.)Bird, Drayton. Commonsense Direct Marketing. 3rd ed. fully rev. London: Kogan Page, 1996.
Cita MLA (9a ed.)Bird, Drayton. Commonsense Direct Marketing. 3rd ed. fully rev. Kogan Page, 1996.
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