Hardy, G. H. (1992). A mathematician's apology (Canto edition.). Cambridge University Press.
Dyfyniad Arddull ChicagoHardy, G. H. A Mathematician's Apology. Canto edition. Cambridge [England] ; New York: Cambridge University Press, 1992.
Dyfyniad MLAHardy, G. H. A Mathematician's Apology. Canto edition. Cambridge University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.