Shields, M. W. (1987). An introduction to automata theory. Blackwell Scientific Publications.
Lua i Stíl Chicago (17ú heag.)Shields, M. W. An Introduction to Automata Theory. Oxford [Oxfordshire] ; Boston: Blackwell Scientific Publications, 1987.
Lua MLA (8ú heag.)Shields, M. W. An Introduction to Automata Theory. Blackwell Scientific Publications, 1987.
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