RETIEF, F. P.; CILLIERS, L. Biographical sketches. Acta Theologica, [S. l.], n. 7, p. xiii-xxv, 2005. DOI: 10.38140/at.v0i7.2071. Disponível em: https://journals.ufs.ac.za/index.php/at/article/view/2071. Acesso em: 7 apr. 2025.