BISHOP, Steve. Roel Kuiper: The Antirevolutionary: Life and Works of Groen van Prinsterer. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 61, n. 3&4, p. 83–85, 2026. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/2548. Acesso em: 22 mar. 2026.