HU, S. (1964). Elements of general topology. Holden-Day.
Dyfyniad Arddull ChicagoHU, Sze-Tsen. Elements of General Topology. San Francisco: Holden-Day, 1964.
Dyfyniad MLAHU, Sze-Tsen. Elements of General Topology. Holden-Day, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.