Não informado. (1980). Topology and its applications. Elsevier Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Topology and Its Applications. Amsterdam: Elsevier Science Publishers, 1980.
Lua MLA (8ú heag.)Não informado. Topology and Its Applications. Elsevier Science Publishers, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.