Epp, Susanna S. Discrete mathematics with applications / Susanna S. Epp - 4th ed. - Boston : Brooks/Cole : 2011. - xxii, 820 p. : ill. (some col.) ; 25 cm. Includes index. ISBN: 9780495826163 (pbk.) Subjects--Topical Terms: MathematicsMathematics--Textbooks