Kain, R. Y. (1972). Automata theory: Machines and languages. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Kain, Richard Y. Automata Theory: Machines and Languages. New York: McGraw-Hill, 1972.
Lua MLA (9ú heag.)Kain, Richard Y. Automata Theory: Machines and Languages. McGraw-Hill, 1972.
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