1. APA (1952). Diagnostic and statistical manual of mental disorders. Washington: Author.
2. APA (2012). Building your resilience. Retrieved 29 August 2020, from www.apa.org/topics/resilience.
3. APA (2013). Diagnostic and statistical manual of mental disorders (5th edn.). Arlington, VA: American Psychiatric Publishing.
4. Coping and help-seeking in the UK adult population;Barker;British Journal of Clinical Psychology,1990
5. Using thematic analysis in psychology