Humby, Clive. Scoring points : how Tesco is winning customer loyalty / Clive Humby and Terry Hunt, with Tim Phillips. - Sterling, VA : Kogan Page, c2004. - x, 276 p. ; 24 cm. Includes bibliographical references and index. ISBN: 074943578X Subjects--Corporate Names: Tesco (Firm)--History--20th century. Subjects--Topical Terms: Customer loyalty programs--Great Britain--Case studies. Dewey Class. No.: 658.812 / HUM