American Psychiatric Association. (2013). Depressive disorders. In Diagnostic and statistical manual of mental disorders (5th ed., pp. 155–192).
American Psychiatric Publishing.
Beck, A. T., Ward, C. H., Mendelson, M., Mock, J., & Erbaugh, J. (1961). An inventory for measuring depression.
Archives of general psychiatry, 4, 561–571.
https://doi.org/10.1001/archpsyc.1961.01710120031004Radloff, L. S. (1977). The CES-D Scale: A self-report depression scale for research in the general population.
Applied Psychological Measurement, 1(3), 385–401.
https://psycnet.apa.org/doi/10.1177/014662167700100306Kroenke, K., Spitzer, R. L., & Williams, J. B. (2001). The PHQ-9: validity of a brief depression severity measure.
Journal of general internal medicine, 16(9), 606–613.
https://doi.org/10.1046/j.1525-1497.2001.016009606.x
