Ross, C. K. (1999). Outside the lines: African Americans and the integration of the National Football League. New York University Press.
Dyfyniad Arddull ChicagoRoss, Charles Kenyatta. Outside the Lines: African Americans and the Integration of the National Football League. New York: New York University Press, 1999.
Dyfyniad MLARoss, Charles Kenyatta. Outside the Lines: African Americans and the Integration of the National Football League. New York University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.