Shifrinson. Rising Titans, Falling Giants. Cornell University Press.
Dyfyniad Arddull ChicagoShifrinson. Rising Titans, Falling Giants. Cornell University Press.
Dyfyniad MLAShifrinson. Rising Titans, Falling Giants. Cornell University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.