1. American Psychiatric Association. (1994) Diagnostic and statistical manual of mental disorders (4th ed.). Washington, DC: Author.
2. Australian Bureau of Statistics and Department of Education, Training and Youth Affairs. (1997). Australian Standard Classification of Occupations (ASCO) (2nd ed.). Statistical Concepts Library, Australian Bureau of Statistics (Cat. No. 1220.0).
3. Educational strategies for chronically ill students: Chronic Fatigue Syndrome
4. Barrett, P. M. (2004). FRIENDS for life! for children. Participant workbook and leaders manual. Brisbane, Australia: Australian Academic Press.
5. Barrett, P. M. (2005). FRIENDS for life! for youth. Participant workbook and leaders manual. Brisbane, Australia: Australian Academic Press.