Abel, R. L. (1989). American lawyers. Oxford University Press.
Dyfyniad Arddull ChicagoAbel, Richard L. American Lawyers. New York: Oxford University Press, 1989.
Dyfyniad MLAAbel, Richard L. American Lawyers. Oxford University Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.