1. Western Australia Police, Crime: Fraud , https://www.police.wa.gov.au/Crime/Fraud , accessed 13 Nov, 2016
2. T. Trubshoe and J.McGinn , in Encyclopedia of Forensic Sciences , ed. M. M. Houck , J. A. Siegel and P. J. Saukko , Academic Press , Waltham , 2013 , pp. 360–366
3. S. Bell , Encyclopedia of Forensic Science , Infobase Publishing , New York , 2008
4. M. M. Houck and J. A.Siegel , Fundamentals of Forensic Science , Academic Press , Burlington, MA , 2nd edn, 2010
5. J. A. Siegel , in Encyclopedia of Forensic Sciences , ed. M. M. Houck , J. A. Siegel and P. J. Saukko , Academic Press , Waltham , 2nd edn, 2013 , pp. 375–379