مراجع و منابع برای مطالعهی بیشتر
Mendelson, Bert, Introduction to Topology, Third Edition
Munkres, James R., Topology, 2nd Edition
Gamelin, Theodore W., Introduction to Topology, Second Edition
Runde, Volker, A Taste of Topology, Universitext
Armstrong, M. A., Basic Topology, Undergraduate Texts in Mathematics
Prasolov, V. V., Intuitive Topology, Vol. 4, Mathematical World
Adams, Colin C., The Knot Book
Farmer, David W.\Stanford, Theodore B., Knots and Surfaces: A Guide to Discovering Mathematics, Vol. 6, Mathematical World