COETZEE, T.; WESSELS, D. P. Van stelselonstabiliteit na stelselstabiliteit - ’n Transformasie-perspektief. Southern Journal for Contemporary History, [S. l.], v. 29, n. 1, p. 60–81, 2004. DOI: 10.38140/sjch.v29i1.401. Disponível em: https://journals.ufs.ac.za/index.php/jch/article/view/401. Acesso em: 3 jul. 2024.