1. American Psychiatric Association, DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, fourth ed., APA, Washinton DC, 1994.
2. Mathematical Models in Population Biology and Epidemilogy;Bauer,2001
3. Common Wealth of Australia, Gambling – Productivity Commission Inquiry Report, ISSN 1447–1329, ISBN 978-1-74037-305-0, 2010 (retrieved October 10, 2012 from ).
4. Community Links, Seniors and Gambling: A Hidden Problem? A Report on the Seniors and Gambling Project, Nova Scotia Gaming Foundation, 2010 (retrieved November 1, 2012 from ).
5. The epidemic theory of ghettos and neighborhood effects on dropping out and teenage childbearing;Crane;American Journal of Sociology,1991