Boduszek, D., Hyland, P., Pedziszczak, J. and Kielkiewicz, K. (2012) “Criminal Attitudes, Recidivistic Behaviour, and the Mediating Role of Associations with Criminal Friends: An Empirical Investigation within a Prison Sample of Violent Offenders”, Europe’s Journal of Psychology, 8(1), p. Article e296. doi: 10.5964/ejop.v8i1.296.