Gemignani, M. C. (1972). Elementary topology (2nd ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Gemignani, Michael C. Elementary Topology. 2nd ed. Reading [Mass.] ; London: Addison-Wesley, 1972.
Lua MLA (8ú heag.)Gemignani, Michael C. Elementary Topology. 2nd ed. Addison-Wesley, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.