Grossman. Mining the Borderlands. University of Nevada Press.
Dyfyniad Arddull ChicagoGrossman. Mining the Borderlands. University of Nevada Press.
Dyfyniad MLAGrossman. Mining the Borderlands. University of Nevada Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.