Dyfyniad APA

Hecht, J. M. (2008). The happiness myth: The historical antidote to what isn't working today. HarperOne.

Dyfyniad Arddull Chicago

Hecht, Jennifer Michael. The Happiness Myth: The Historical Antidote to What Isn't Working Today. New York: HarperOne, 2008.

Dyfyniad MLA

Hecht, Jennifer Michael. The Happiness Myth: The Historical Antidote to What Isn't Working Today. HarperOne, 2008.

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