Dyfyniad APA

Friedman, H. L. (2013). Playing to win: Raising children in a competitive culture. University of California Press.

Dyfyniad Arddull Chicago

Friedman, Hilary Levey. Playing to Win: Raising Children in a Competitive Culture. Berkeley: University of California Press, 2013.

Dyfyniad MLA

Friedman, Hilary Levey. Playing to Win: Raising Children in a Competitive Culture. University of California Press, 2013.

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