RIES,TRONF. (1993). POSITIONING. MCGRAW HILL WARNER BOOKS.
Citación estilo ChicagoRIES,TRONF. POSITIONING. NEW YORK: MCGRAW HILL WARNER BOOKS, 1993.
Cita MLARIES,TRONF. POSITIONING. MCGRAW HILL WARNER BOOKS, 1993.
Warning: These citations may not always be 100% accurate.