Dydak, J. Covariant and contravariant approaches to topology. Wiley.
Chicago Style (17th ed.) CitationDydak, Jerzy. Covariant and Contravariant Approaches to Topology. Wiley.
MLA (9th ed.) CitationDydak, Jerzy. Covariant and Contravariant Approaches to Topology. Wiley.
Warning: These citations may not always be 100% accurate.