BRUCE, David. Anger, hatred, or just heartlessness? Defining gratuitous violence. South African Crime Quarterly, [S. l.], n. 34, 2010. DOI: 10.17159/2413-3108/2010/i34a871. Disponível em: https://journals.assaf.org.za/index.php/sacq/article/view/871. Acesso em: 24 feb. 2025.