BB	BONA, M. A walk through combinatorics : an introduction to enumeration and graph theory. 4th ed., reprint. [s. l.]: World Scientific, 2019. ISBN 9789813148840.
BB	Brualdi, Richard A. : Introductory combinatorics / Richard A. Brualdi . - 5th ed. Upper Saddle River, New Jersey : Pearson Prentice Hall, cop. 2010
BB	GROSS, J. L.; YELLEN, J.; ANDERSON, M. Graph theory and its applications. 3rd ed. [s. l.]: CRC Press, 2019. ISBN 9781032475950.
BC	GRIMALDI, R. P. Discrete and combinatorial mathematics : an applied introduction. 5th ed. [s. l.]: Pearson, 2018. ISBN 9780321385024.
BC	TUCKER, A. Applied combinatorics. 6th ed. [s. l.]: John Wiley and Sons, 2012. ISBN 9780470458389.

LISTADO DE URLs:
	Apuntes del profesor: Elementos de Combinatoria y Teoría de Grafos [http://add.unizar.es/add/area/index.php]
	Discrete Mathematics Web Site! [http://www.mhhe.com/math/advmath/rosen/]
	Fibonacci Numbers and the Golden Section [http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/fib.html]
	Graph Theory [http://www.math.fau.edu/locke/graphthe.html]
	Open Problems for Undergraduates [http://dimacs.rutgers.edu/%7Ehochberg/undopen/]
	Reinhard Diestel : Graph Theory [http://diestel-graph-theory.com/index.html]
	The book "generatingfunctionology" [http://www.math.upenn.edu/~wilf/DownldGF.html]
	The On-Line Encyclopedia of Integer Sequences™ (OEIS™) [http://www.research.att.com/~njas/sequences/]