Tapp, Alan Principles of direct and database marketing / Alan Tapp. - 3rd ed. - Harlow, England : Prentice Hall, c2005. - xiv, 489 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 9780273683551 Subjects--Topical Terms: Marketing Management Dewey Class. No.: 658.872 / TAP