American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Arlington, VA: American Psychiatric Publishing.
Dickinson, K. A., & Pincus, A. L. (2003). Interpersonal analysis of grandiose and vulnerable narcissism. Journal of Personality Disorders, 17, 188–207.
Fan, Y., Wonneberger, C., Enzi, B., de Greck, M., Ulrich, Tempelmann,C., Bogerts, B., Doering, S., & Northoff, G. (2010). The narcissistic self and its psychological and neural correlates: An exploratory fMRI study. Psychological Medicine, Aug; 41 (8), 1641-1650.
Fossati A, Pincus AL, Borroni S, Munteanu AF, and Maffei C. (2014). Are pathological narcissism and psychopathy different constructs or different names for the same thing? A study based on Italian nonclinical adult participants. Journal of Personality Disorders. Jun;28(3):394-418.
Kiehl KA, Smith AM, Hare RD, Mendrek A, Forster BB, Brink J, Liddle PF. (2001). Limbic abnormalities in affective processing by criminal psychopaths as revealed by functional magnetic resonance imaging. Biol Psychiatry. Nov 1;50(9):677-84.
Miller JD, Dir A, Gentile B, Wilson L, Pryor LR, and Campbell WK. (2010). Searching for a vulnerable dark triad: comparing Factor 2 psychopathy, vulnerable narcissism, and borderline personality disorder. Journal of Personality. Oct;78(5):1529-64.
Miller, J., Widiger, T., & Campbell, WK. (2010). Narcissistic personality disorder and the DSM–V. Journal of Abnormal Psychology. Vol. 119, No. 4, 640–649.