Não informado. (1971). General topology and its applications. Elsevier Science Publishers.
Chicago-Zitierstil (17. Ausg.)Não informado. General Topology and Its Applications. Amsterdam: Elsevier Science Publishers, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. General Topology and Its Applications. Elsevier Science Publishers, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.