Dyfyniad APA

Ariely, D. (2009). Predictable irrational: The hidden forces that shape other decisions. Harper Collins Publishers.

Dyfyniad Arddull Chicago

Ariely, Dan. Predictable Irrational: The Hidden Forces That Shape Other Decisions. London: Harper Collins Publishers, 2009.

Dyfyniad MLA

Ariely, Dan. Predictable Irrational: The Hidden Forces That Shape Other Decisions. Harper Collins Publishers, 2009.

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