University of Pennsylvania law review. Volume 131,Nos.4-6, 1982-93. University of Pennsylvania Law School.
Dyfyniad Arddull ChicagoUniversity of Pennsylvania Law Review. Volume 131,Nos.4-6, 1982-93. Philadelphia: University of Pennsylvania Law School.
Dyfyniad MLAUniversity of Pennsylvania Law Review. Volume 131,Nos.4-6, 1982-93. University of Pennsylvania Law School.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.