American Psychiatric Association : Diagnostic and Statistical Manual of Mental Disorders, Fifth ed. (DSM-5). American Psychiatric Publishing, Washington D.C., 2013(日本精神神経学会日本語版用語監修, 高橋三郎, 大野裕監訳 : DSM-5精神疾患の診断・統計マニュアル. 医学書院, 2014)
Akhter A, Fiedorowicz JG, Zhang T, et al : Seasonal variation of manic and depressive symptoms in bipolar disorder. Bipolar Disord 15 : 377-384, 2013
Blazer DG, Kessler RC, Swartz MS : Epidemiology of recurrent major and minor depression with a seasonal pattern. The National Comorbidity Survey. Br J Psychiatry 172 : 164-167, 1998
Levitt AJ, Boyle MH, Joffe RT, et al : Estimated prevalence of the seasonal subtype of major depression in a Canadian community sample. Can J Psychiatry 45 : 650-654, 2000
Imai M, Kayukawa Y, Ohta T, et al : Cross-regional survey of seasonal affective disorders in adults and high-school students in Japan. J Affect Disord 77 : 127-133, 2003