COETZEE, T.; WESSELS, D. Regeringsvorm van Suid-Afrika: Parlementêr of presidensieel?. Southern Journal for Contemporary History, [S. l.], v. 31, n. 1, p. 113–128, 2006. DOI: 10.38140/sjch.v31i1.505. Disponível em: https://journals.ufs.ac.za/index.php/jch/article/view/505. Acesso em: 20 may. 2024.