Tourlakis, G. J. (2012). Theory of computation. Safari books online.. https://doi.org/10.1002/9781118315361
Cita Chicago (17th ed.)Tourlakis, George J. "Theory of Computation." Safari Books Online. 2012. https://doi.org/10.1002/9781118315361.
Cita MLA (9th ed.)Tourlakis, George J. "Theory of Computation." Safari Books Online., 2012, https://doi.org/10.1002/9781118315361.
Atenció: Aquestes cites poden no estar 100% correctes.