References

1. Hopcroft, J. E., Motwani, R., & Ullman, J. D. (2006). Introduction to Automata Theory, Languages, and Computation (3rd ed.). Pearson.

2. Sipser, M. (2012). Introduction to the Theory of Computation (3rd ed.). Cengage Learning.

3. Linz, P. (2016). An Introduction to Formal Languages and Automata (6th ed.). Jones & Bartlett Learning.

4. Martin, J. C. (2010). Introduction to Languages and the Theory of Computation (4th ed.). McGraw-Hill Education.

5. Sudkamp, T. A. (2005). Languages and Machines: An Introduction to the Theory of Computer Science (3rd ed.). Addison-Wesley.