Bird, Drayton. Commonsense direct & digital marketing / Drayton Bird. - 5th ed. - London ; Philadelphia : Kogan Page, 2007. - viii, 434 p. : ill. ; 25 cm. Includes index. ISBN: 9780749447601 LCCN: 2007011100 Subjects--Topical Terms: Direct marketing. Dewey Class. No.: 658.872 / BIR