Gay, Richard. Online marketing : a customer-led approach / Richard Gay, Alan Charlesworth, Rita Esen. - Oxford : Oxford University Press, 2007. - xvii, 538 p. : col. ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0199265852 (pbk.) 9780199265855 (pbk.) Hadiah LCCN: 2007-297157 Subjects--Topical Terms: Internet marketing.