FOKKENS, A.; VISSER, D. Die rol van die Unieverdedigingsmag in die onderdrukking van die nywerheidsonluste aan die Rand, 1922. Acta Academica: Critical views on society, culture and politics, [S. l.], v. 35, n. 1, p. 124–153, 2003. DOI: 10.38140/aa.v35i1.782. Disponível em: https://journals.ufs.ac.za/index.php/aa/article/view/782. Acesso em: 12 jan. 2025.