Arditte Hall, K. A., de Raedt, R., Timpano, K. R., & Joormann, J. (2017). Positive memory enhancement training for individuals with major depressive disorder. Cognitive Behaviour Therapy, 47, 155-168.doi: 10.1080/16506073.2017.1364291
Bachmann S. (2018). Epidemiology of suicide and the psychiatric perspective. International Journal of Environmental Research and Public Health,15(7), E1425. doi: 10.3390/ijerph15071425
Beck, A.T., Steer, R.A., & Brown, G.K. (1996). Manual for the Beck Depression Inventory-II. San Antonio, TX: Psychological Corporation.