O'Connor, John Electronic marketing : theory and practice for the 21st century / John O'Connor, Eamonn Galvin and Martin Evans. - Harlow : Financial Times Prentice Hall, 2004. - xii, 440 p. : ill. ; 25 cm. ISBN: 0273684760 Subjects--Topical Terms: Internet marketing. Dewey Class. No.: 658.800285 OCO