Hvidsten, M. (2006). Geometry with geometry explorer. Boston, MA: McGraw-Hill.
Dyfyniad Arddull ChicagoHvidsten, Michael. Geometry With Geometry Explorer. Boston, MA: McGraw-Hill, 2006.
Dyfyniad MLAHvidsten, Michael. Geometry With Geometry Explorer. Boston, MA: McGraw-Hill, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.