Dyfyniad APA

Welch, J., & Welch, S. (2005). Winning. HarperBusiness, HarperCollins Publishers.

Dyfyniad Arddull Chicago

Welch, Jack, and Suzy Welch. Winning. New York : London: HarperBusiness, HarperCollins Publishers, 2005.

Dyfyniad MLA

Welch, Jack, and Suzy Welch. Winning. HarperBusiness, HarperCollins Publishers, 2005.

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