Spanier, E. H. (1977). Algebraic topology. Tata McGraw-Hill.
Chicago Edition CitationSpanier, Edwin H. Algebraic Topology. New Delhi: Tata McGraw-Hill, 1977.
Cita MLASpanier, Edwin H. Algebraic Topology. Tata McGraw-Hill, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.