Schoeman, P. G. “Thoughts As to the Location of Ideology Within the Sphere of ‘Belief Systems’”. Tydskrif Vir Christelike Wetenskap | Journal for Christian Scholarship, vol. 40, no. 3 - 4, June 2004, pp. 171-97, https://pubs.ufs.ac.za/index.php/tcw/article/view/36.