L. R. Goldberg. An Alternative Description of Personality: The Big-Five Factor Structure // Journal of Personality and Social Psychology 59 (1990). P. 1216-1229, doi: 10.1037/0022-3514.59.6.1216; R. R. McCrae and О. P. John. An Introduction to the Five-Factor Model and Its Applications // Journal of Personality 60 (1992). P. 175-215, doi: 10.1111/j.1467-6494.1992.tb00970.
