Davis, S. W. (2005). Topology. Boston: Mc Graw Hill Higher Education.
Chicago Style aipamenaDavis, Sheldon W. Topology. Boston: Mc Graw Hill Higher Education, 2005.
MLA aipamenaDavis, Sheldon W. Topology. Boston: Mc Graw Hill Higher Education, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.