Euclid & Heath, T. L. (1956). Thirteen books of Euclid's Elements v.1.- 2nded (2d ed., rev. with additions.). Dover Publications.
Dyfyniad Arddull ChicagoEuclid and Thomas Little Heath. Thirteen Books of Euclid's Elements V.1.- 2nded. 2d ed., rev. with additions. New York: Dover Publications, 1956.
Dyfyniad MLAEuclid and Thomas Little Heath. Thirteen Books of Euclid's Elements V.1.- 2nded. 2d ed., rev. with additions. Dover Publications, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.