Scherk, P., & Lingenberg, R. (1975). Rudiments of plane affine geometry. University of Toronto.
Dyfyniad Arddull ChicagoScherk, P., and R. Lingenberg. Rudiments of Plane Affine Geometry. Toronto: University of Toronto, 1975.
Dyfyniad MLAScherk, P., and R. Lingenberg. Rudiments of Plane Affine Geometry. University of Toronto, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.