1. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th edn.). Arlington: American Psychiatric Publishing: DSM-5.
2. Arns, M., de Ridder, S., Strehl, U., Breteler, M., & Coenen, A. (2009). Efficacy of neurofeedback treatment in ADHD: The effects on inattention, impulsivity and hyperactivity: a meta-analysis. Clinical EEG and Neuroscience, 40(3), 180–189.
3. Backhaus, K., Erichson, B., Plinke, W., & Weiber, R. (2003). Multivariate analysemethoden. Eine anwendungsorientierte einführung [Multivariate data analysis. A user-oriented introduction] (10th revised edn.). Berlin: Springer.
4. Begić, D., Popović-Knapić, V., Grubišin, J., Kosanović-Rajačić, B., Filipčić, I., Telarović, I., et al. (2011). Quantitative electroencephalography in schizophrenia and depression. Psychiatria Danubina, 23(4), 355–362.
5. Bio, D. S., & Gattaz, W. F. (2011). Vocational rehabilitation improves cognition and negative symptoms in schizophrenia. Schizophrenia Research, 126(1), 265–269.