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