Dyfyniad APA

Welch, j. Winning: The Answers. harper Collins.

Dyfyniad Arddull Chicago

Welch, jack. Winning: The Answers. harper Collins.

Dyfyniad MLA

Welch, jack. Winning: The Answers. harper Collins.

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