Davis, M. (1958). Computability & unsolvability. McGraw-Hill.
Cita Chicago (17th ed.)Davis, Martin. Computability & Unsolvability. New York: McGraw-Hill, 1958.
Cita MLA (9th ed.)Davis, Martin. Computability & Unsolvability. McGraw-Hill, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.