VORSTER, C. M.; DU PLOOY, J. ’n Christelik-reformatoriese Evaluering van Neuro-linguïstiese Programmering as Psigo-terapeutiese Model. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 41, n. 3 - 4, p. 189–214, 2005. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/58. Acesso em: 5 oct. 2025.