Barmak, J. A. Algebraic topology of finite topological spaces and applications (1st ed. 2011.). Springer Berlin Heidelberg.
Cita Chicago (17th ed.)Barmak, Jonathan A. Algebraic Topology of Finite Topological Spaces and Applications. 1st ed. 2011. Berlin, Heidelberg: Springer Berlin Heidelberg.
Cita MLA (8th ed.)Barmak, Jonathan A. Algebraic Topology of Finite Topological Spaces and Applications. 1st ed. 2011. Springer Berlin Heidelberg.
Atenció: Aquestes cites poden no estar 100% correctes.