Παραπομπή APA

Giblin, P. J. (1981). Graphs, surfaces and homology: An introduction to algebraic topology (23.).

Παραπομπή Chicago Style

Giblin, P J. Graphs, Surfaces and Homology: An Introduction to Algebraic Topology. 23. Chapman & Hall Ltd., London, 1981.

Παραπομπή MLA

Giblin, P J. Graphs, Surfaces and Homology: An Introduction to Algebraic Topology. 23. 1981.