Tapp, Alan. Principles of direct and database marketing [Book] / Alan Tapp. - 2nd ed. - Harlow, England ; New York : Financial Times Prentice Hall, 2001. - xv, 435 p. : ill. ; 25 cm. All. ISBN: 0273646818 Nat. Bib. No.: GBA0-V3994 Subjects--Topical Terms: Direct marketing. Dewey Class. No.: 658.84