Dyfyniad APA

Ohman, J. (1983). Why Johnny Can't Putt.. Simon & Schuster.

Dyfyniad Arddull Chicago

Ohman, Jack. Why Johnny Can't Putt.. Simon & Schuster, 1983.

Dyfyniad MLA

Ohman, Jack. Why Johnny Can't Putt.. Simon & Schuster, 1983.

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