Ries, Al Posicionamiento / Al Ries ... [et al.] ; pról. de Raśl Peralba Fortuny ... [et al.] - Ed. rev. - Madrid : McGraw-Hill , 1997 - xix,155 p. - (Serie McGraw-Hill de management) . ISBN: 8476155662 Subjects--Topical Terms: MARKETING Universal Decimal Class. No.: 658.8 R559p