Spanier, E. H. (1977). Algebraic topology. Tata McGraw-Hill.
Citación estilo ChicagoSpanier, Edwin H. Algebraic Topology. New Delhi: Tata McGraw-Hill, 1977.
Cita MLASpanier, Edwin H. Algebraic Topology. Tata McGraw-Hill, 1977.
Warning: These citations may not always be 100% accurate.