1. 1. Stucki S, Rihs-Middel M. Prevalence of adult problem and pathological gambling between 2000 and 2005: An update. Journal of Gambling Studies 2007; 23: 245–257.
2. 2. Meyer G, Hayer T, Griffiths M. Problem gambling in Europe: Challenges, prevention, and interventions. New York, NY: Springer, 2009.
3. 3. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, DSM-III. Washington, DC, 1980.
4. 4. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, DSM-IV. Washington, DC, 2000.
5. 5. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, DSM-V. Washington, DC, 2012.