1. Abika.com . ( n.d .) Psychological and personality profiles . Retrieved November 2, 2005, from http://www.abika.com/Reports/Samples/PsychologicalProfile/Psychologicalprofilingforme.htm .
2. Brancaccio D. ( 2000 , October 20 ). New high-tech surveillance software being used by jealous spouses to make sure their mates aren't cheating . Marketplace . Minnesota Public Radio. Retrieved December 12, 2002, from http://marketplace.publicradio.org/shows/index.html
3. Check-Mate.com ( n.d .). Retrieved July 2004 from: http://check-mate.com/