Hitchman, M. P. (2009). Geometry with an introduction to cosmic topology. Jones and Bartlett Publishers.
Dyfyniad Arddull ChicagoHitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Sudbury, Mass.: Jones and Bartlett Publishers, 2009.
Dyfyniad MLAHitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Jones and Bartlett Publishers, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.