Dyfyniad APA

Olbermann, K. (2006). The worst person in the world: And 202 strong contenders. Hoboken, N.J: John Wiley & Sons.

Dyfyniad Arddull Chicago

Olbermann, Keith. The Worst Person in the World: And 202 Strong Contenders. Hoboken, N.J: John Wiley & Sons, 2006.

Dyfyniad MLA

Olbermann, Keith. The Worst Person in the World: And 202 Strong Contenders. Hoboken, N.J: John Wiley & Sons, 2006.

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