Dyfyniad APA

Gladwell, M. (2013). David & Golaith: Under dogs, Mislifts and the art of battling Giants. Penguin Groups.

Dyfyniad Arddull Chicago

Gladwell, Malcalm. David & Golaith: Under Dogs, Mislifts and the Art of Battling Giants. London: Penguin Groups, 2013.

Dyfyniad MLA

Gladwell, Malcalm. David & Golaith: Under Dogs, Mislifts and the Art of Battling Giants. Penguin Groups, 2013.

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