Manheim, J. (1964). Genesis of point set topology. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Manheim, J. Genesis of Point Set Topology. Oxford: Pergamon Press, 1964.
Lua MLA (9ú heag.)Manheim, J. Genesis of Point Set Topology. Pergamon Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.