*"Introduction to Automata Theory, Languages, and Computation", (with J. E. Hopcroft and R. Motwani), Addison-Wesley, Reading MA, 1969, 1979, 2000.
*"Introduction to Automata Theory, Languages, and Computation", (with J. E. Hopcroft and R. Motwani), Addison-Wesley, Reading MA, 1969, 1979, 2000.