Programación:

ABELSON, Harold; SUSSMAN, Gerald Jay. Structure and Interpretation of Computer Programs. Second Edition. The MIT Press, 1996. 657 p. ISBN: 02-620-1153-0

GOYVAERTS, Jan; LEVITHAN, Steven. Regular Expressions Cookbook. O'Reilly, 2009. 510 p. ISBN: 05-965-2068-9

Criptografía:

SCHNEIER, Bruce. Applied Cryptography. Second Edition. John Wiley & Sons, 1996. 758 p. ISBN: 04-711-1709-9