(en) Monique Mattei Ferraro, Eoghan Casey(en), Michael McGrath et Michael McGrath, Investigating Child Exploitation and Pornography: The Internet, the Law and Forensic Science, Academic Press, (ISBN0121631052, lire en ligne), p. 159.
(en) Monique Mattei Ferraro, Eoghan Casey(en), Michael McGrath et Michael McGrath, Investigating Child Exploitation and Pornography: The Internet, the Law and Forensic Science, Academic Press, (ISBN0121631052, lire en ligne), p. 159.