Harvard Business Review. (1991). Innovation. Harvard Business School Press.
Dyfyniad Arddull ChicagoHarvard Business Review. Innovation. Boston: Harvard Business School Press, 1991.
Dyfyniad MLAHarvard Business Review. Innovation. Harvard Business School Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.