Kozen, D. C. Theory of computation.
Lua i Stíl Chicago (17ú heag.)Kozen, Dexter C. Theory of Computation.
Lua MLA (8ú heag.)Kozen, Dexter C. Theory of Computation.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)