1. Act n. 108/2006 Sb. The Social Services Act.
2. American Psychological Association. (2010). Ethical principles of psychologists and code of conduct. http://www.apa.org/ethics/code/
3. APSSCR. (2005). Etický kodex sociálního pracovníka České Republiky [Ethical code of social worker of the Czech Republic]. http://www.apsscr.cz/ckfinder/userfiles/files/Etick%C3%BD%20kodex_Profesn%C3%AD%20svaz_verII.pdf
4. Investigator Triangulation