Dyfyniad APA

Harvard Business Review Press. (2019). Confidence. Harvard Business Review Press.

Dyfyniad Arddull Chicago

Harvard Business Review Press. Confidence. Boston, Massachesutts: Harvard Business Review Press, 2019.

Dyfyniad MLA

Harvard Business Review Press. Confidence. Harvard Business Review Press, 2019.

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