Davis, M. (1982). Computability and unsolvability. Dover.
Cita Chicago (17th ed.)Davis, Martin. Computability and Unsolvability. Nueva York: Dover, 1982.
Cita MLA (9th ed.)Davis, Martin. Computability and Unsolvability. Dover, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.