Dyfyniad APA

Ariely, D. (2010). Upside of irrationality. Harper collins.

Dyfyniad Arddull Chicago

Ariely, Dan. Upside of Irrationality. London: Harper collins, 2010.

Dyfyniad MLA

Ariely, Dan. Upside of Irrationality. Harper collins, 2010.

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