Harvard Business Review. (2011). Harvard Business Review on Reinventing Your Marketing. HBR.
Dyfyniad Arddull ChicagoHarvard Business Review. Harvard Business Review on Reinventing Your Marketing. Boston: HBR, 2011.
Dyfyniad MLAHarvard Business Review. Harvard Business Review on Reinventing Your Marketing. HBR, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.