VAN DER WALT, B. J. Die wetsidee as sleutel tot die filosofie van die Katolieke “doctor communis”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 48, n. 3-4, p. 65–85, 2012. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/289. Acesso em: 27 oct. 2025.