Tapp, Alan. Principles of direct and database marketing : a digital orientation / Alan Tapp. - 4th ed. - Harlow, England : FinancialTimes/Prentice Hall, c2008. - xvi, 517 p. : ill., maps, plans ; 25 cm. Includes bibliographical references and index. ISBN: 0273713027 (pbk.) 9780273713029 (pbk.) Subjects--Topical Terms: Direct marketing.Database marketing. Dewey Class. No.: 658.872 / TAP 2008