Referências

Brueckner, Tony, "Skepticism and Content Externalism", The Stanford Encyclopedia of Philosophy (Spring 2012 Edition), Edward N. Zalta (ed.), URL = <http://plato.stanford.edu/archives/spr2012/entries/skepticism-content-externalism/>.

Hickey, L. P. (2011). The Brain in a Vat Argument. Internet Encyclopedia of Philosophy

Putnam, Hilary (1981). Reason, truth and history. Cambridge: Cambridge Univ. Press. 

Sikorski, Michael, and Andrew Honig. Practical Malware Analysis: The Hands-On Guide to Dissecting Malicious Software. No Starch Press, 2012.