Poless, P. G., Torstveit, L., Lugo, R. G., Andreassen, M. and Sütterlin, S. (2018) “Guilt and Proneness to Shame: Unethical Behaviour in Vulnerable and Grandiose Narcissism”, Europe’s Journal of Psychology, 14(1), pp. 28-43. doi: 10.5964/ejop.v14i1.1355.