Follett, K. (2000). Code to zero. Dutton, Pan Books.
Cita Chicago (17th ed.)Follett, Ken. Code to Zero. New York : London: Dutton, Pan Books, 2000.
Cita MLA (8th ed.)Follett, Ken. Code to Zero. Dutton, Pan Books, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.