Referensi

Devlin, K. (2012). Introduction to Mathematical Thinking. Palo Alto, CA, USA: Keith Devlin.

Liu, C. L. (1985). Element of Discrete Mathematics.

Rosen, K. H., & Krithivasan, K. (2013). Discrete Mathematics and Its Applications (Global ed.). New York: McGraw-Hill.

Stewart, J., Redlin, L., & Watson, S. (2012). Algebra and Trigonometry (3rd ed.). Belmont, CA, USA: Brooks/Cole, Cengage Learning.