HUGO, P. JC Steyn, Penvegter: Piet Cillie van die Burger. Southern Journal for Contemporary History, [S. l.], v. 30, n. 1, p. 178–181, 2005. DOI: 10.38140/sjch.v30i1.459. Disponível em: https://journals.ufs.ac.za/index.php/jch/article/view/459. Acesso em: 22 jul. 2024.