Dyfyniad APA

Rosenthal, A. K., & Lichtenheld, T. (2008). It's not fair. HarperCollinsPublishers.

Dyfyniad Arddull Chicago

Rosenthal, Amy Krouse, and Tom Lichtenheld. It's Not Fair. New York: HarperCollinsPublishers, 2008.

Dyfyniad MLA

Rosenthal, Amy Krouse, and Tom Lichtenheld. It's Not Fair. HarperCollinsPublishers, 2008.

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