APA-referens

Giblin, P. J. (1977). Graphs, surfaces, and homology: An introduction to algebraic topology.-2nded. Chapman and Hall ; Wiley ; distributed in the U.S.A. by Halsted Press.

Chicago-stil citat

Giblin, P. J. Graphs, Surfaces, and Homology: An Introduction to Algebraic Topology.-2nded. London : New York : New York: Chapman and Hall ; Wiley ; distributed in the U.S.A. by Halsted Press, 1977.

MLA-referens

Giblin, P. J. Graphs, Surfaces, and Homology: An Introduction to Algebraic Topology.-2nded. Chapman and Hall ; Wiley ; distributed in the U.S.A. by Halsted Press, 1977.