Hogben, L. (1955). The Wonderful World of Mathematics. New York: Dover Publications.
Dyfyniad Arddull ChicagoHogben, Lancelot. The Wonderful World of Mathematics. New York: Dover Publications, 1955.
Dyfyniad MLAHogben, Lancelot. The Wonderful World of Mathematics. New York: Dover Publications, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.