Daniel R. Ames, Lara K. Kammrath (2004. Sep). „Mind-Reading and Metacognition: Narcissism, not Actual Competence, Predicts Self-Estimated Ability”. Journal of Nonverbal Behavior28 (3), 187–209. o, Kiadó: Springer Netherlands. DOI:10.1023/B:JONB.0000039649.20015.0e.