Dyfyniad APA

(1999). Harvard business review on managing uncertainty. Harvard Business School.

Dyfyniad Arddull Chicago

Harvard Business Review on Managing Uncertainty. Harvard Business School, 1999.

Dyfyniad MLA

Harvard Business Review on Managing Uncertainty. Harvard Business School, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.