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--Topical Terms: Customer loyalty programs--Case studies. LC Class. No.: HF5415.525 / .H85 2004