1. Bundy, T.R. (n.d.) www.carpenoctem.tv/killers/ (Accessed on February 2008).
2. Male serial homicide: The influence of cultural and structural variables;DeFronzo;Homicide Studies,2007
3. The Crime Classification Manual: A Standard System for Investigating and Classifying Violent Crimes;Douglas,1992
4. The patterns and prevalence of mass murder in twentieth-century America;Duwe;Justice Quarterly,2004
5. Serial Murder: An Elusive Phenomenon;Egger,1990