VAN ROOY, J. H.; DE KLERK, B. J. Basisteoretiese perspektiewe vir beoordeling van ’n kerklike Psalmboek. Acta Theologica, [S. l.], v. 31, n. 1, p. 169–188, 2011. DOI: 10.38140/at.v31i1.2343. Disponível em: https://journals.ufs.ac.za/index.php/at/article/view/2343. Acesso em: 10 apr. 2025.