N. L. Biggs, Discrete Mathematics. Oxford University Press (2a ed.), 2002.
	B. Bollobás,  Graph Theory - An Introductory Course. Springer, 1979.
	P. J. Cameron,  Combinatorics - Topics, Techniques and Algorithms. Cambridge University Press, 1994.
	D.M. Cardoso, J. Szymanski, M. Rostami, Matemática Discreta - Combinatória, Teoria dos Grafos e Algoritmos. Em preparação.
	R. Diestel, Graph Theory. Springer, 1997.
	M. J. Erikson,  Introduction to Combinatorics. John Wiley & Sons, 1998.
	C. Godsil,  and G. Royle. Algebraic Graph Theory. Springer, New York, 2001.
	L., J. Lovasz,  Pelikán and K. Vesztergombi. Discrete Mathematics - Elementary and Beyond. Springer, 2003.
	K. H. Rosen, Exploring Discrete Mathematics with MAPLE. McGraw-Hill, International Editions, Mathematics & Statistics Series, 1997.
	A. Shen,  and N. K. Vereshchagin. Basic Set Theory. AMS - Student Mathematical Library, 17, 2002.
	J. H.van Lint,  and R. M. Wilson. A Course in Combinatorics. Cambridge University Press, 1994.
	E. B.  Vinberg, A Course in Algebra. AMS - Graduate Studies in Mathematics, 56, 2003.