Harvard Business School. (2009). Innovator's Toolkit. Harvard Business.
Dyfyniad Arddull ChicagoHarvard Business School. Innovator's Toolkit. Boston: Harvard Business, 2009.
Dyfyniad MLAHarvard Business School. Innovator's Toolkit. Harvard Business, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.