APA استشهاد

Spanier, E. H. (1977). Algebraic topology. Tata McGraw-Hill.

استشهاد بنمط شيكاغو

Spanier, Edwin H. Algebraic Topology. New Delhi: Tata McGraw-Hill, 1977.

MLA استشهاد

Spanier, Edwin H. Algebraic Topology. Tata McGraw-Hill, 1977.