Maher, C. A., Powell, A. B., & Uptegrove, E. B. (2010). Combinatorics and Reasoning: Representing, Justifying and Building Isomorphisms. Springer Science+Business Media, LLC.
Παραπομπή σε μορφή Chicago (17η εκδ.)Maher, Carolyn A., Arthur B. Powell, και Elizabeth B. Uptegrove. Combinatorics and Reasoning: Representing, Justifying and Building Isomorphisms. Dordrecht: Springer Science+Business Media, LLC, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)Maher, Carolyn A., et al. Combinatorics and Reasoning: Representing, Justifying and Building Isomorphisms. Springer Science+Business Media, LLC, 2010.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.