The following publications are possibly variants of this publication:
- Introduction to automata theory, languages, and computation - international edition (2. ed)John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. Addison-Wesley, 2003.
- Introduction to Automata Theory, Languages, and ComputationJ. E. Hopcroft, R. Motwani, J. D. Ullman. Addison-Wesley, Boston, MA, USA, 2006.
- Introduction to Automata Theory, Languages and ComputationJohn E. Hopcroft, Jeffrey D. Ullman. Addison-Wesley, 1979.
- Introduction to Automata Theory, Languages and Computation, Second EditionJohn E. Hopcroft, Jeffrey D. Ullman. Addison-Wesley, 2000.
- Introduction to automata theory, languages, and computation, 2nd editionJohn E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. sigact, 32(1):60-65, 2001. [doi]