Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Washington, D.C.: American Psychiatric Association; 2013.
Gelenberg A. A Review of Current Guidelines for Depression Treatment. J Clin Psychiatry. 2010;71(07):e15. doi:10.4088/jcp.9078tx1c.
Oldham M, Ciraulo D. Bright light therapy for depression: A review of its effects on chronobiology and the autonomic nervous system. Chronobiology International. 2014;31(3):305-319. doi:10.3109/07420528.2013.833935.