Dyfyniad APA

Freeman, M. (2012). Undefeated: Inside the 1972 Miami Dolphins' perfect season. It Books : an imprint of HarperCollins.

Dyfyniad Arddull Chicago

Freeman, Michael. Undefeated: Inside the 1972 Miami Dolphins' Perfect Season. New York: It Books : an imprint of HarperCollins, 2012.

Dyfyniad MLA

Freeman, Michael. Undefeated: Inside the 1972 Miami Dolphins' Perfect Season. It Books : an imprint of HarperCollins, 2012.

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