Harvard Business School Publishing. (2007). Harvard business review on the tests of a leader. Harvard Business School.
Dyfyniad Arddull ChicagoHarvard Business School Publishing. Harvard Business Review on the Tests of a Leader. Boston: Harvard Business School, 2007.
Dyfyniad MLAHarvard Business School Publishing. Harvard Business Review on the Tests of a Leader. Harvard Business School, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.