1. Barrett, P. M. (1995). Group coping koala workbook. Unpublished manuscript, School of Applied Psychology, Griffith University, Australia.
2. Barrett, P. M., Dadds, M. R., & Rapee, R. M. (1996). Family treatment of childhood anxiety: A controlled trial. Journal of Consulting and Clinical Psychology, 64, 333–342.
3. Barrett, P. M., Johnson, S., & Turner, C. (2004). Developmental differences in universal preventive intervention for child anxiety. Clinical Child Psychology and Psychiatry.
4. Barrett, P. M., Lowry-Webster, H., & Turner, C. (2000a). FRIENDS program for children: Group leaders manual. Brisbane: Australian Academic Press.
5. Barrett, P. M., Lowry-Webster, H., & Turner, C. (2000b). FRIENDS program for youth: Group leaders manual. Brisbane: Australian Academic Press.