Massey, W. (1977). Algebraic topology: An introduction. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)Massey, W.S. Algebraic Topology: An Introduction. New York: Springer-Verlag, 1977.
Lua MLA (9ú heag.)Massey, W.S. Algebraic Topology: An Introduction. Springer-Verlag, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.