Godin, Seth autor Purple cow: transform your business by being remarkable - 1a edición; - New York : Penguin Group, 2003. - 145 páginas: 19.5 X 13 centímetros. ISBN: 1-59184-021-X Subjects--Topical Terms: Marketing Dewey Class. No.: UCG 658.8 / 650.1 GODp 18187