Dyfyniad APA

Welch, J. (2005). Winning. Harper Collins Publishers.

Dyfyniad Arddull Chicago

Welch, Jack. Winning. London: Harper Collins Publishers, 2005.

Dyfyniad MLA

Welch, Jack. Winning. Harper Collins Publishers, 2005.

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