1. Multiple regression: Testing and interpreting interactions;Aiken,1991
2. Diagnostic and statistical manual for mental disorders IV, text-revision;American Psychiatric Association,2000
3. American Psychiatric Association. (2012). R 40 Internet use disorder. DSM-5 development. . Retrieved 07.09.12.
4. Parents as a resource: Communication quality affects the relationship between adolescents’ Internet use and loneliness;Appel;Journal of Adolescence,2012
5. How accurate are self-selection web surveys?;Bethlehem,2008