Bishop, S. “Understanding Legitimacy: Political Theory and Neo-Calvinist Social Thought: Review of the Work of Philip D Shadd”. Tydskrif Vir Christelike Wetenskap | Journal for Christian Scholarship, vol. 53, no. 2, July 2017, pp. 331-3, https://pubs.ufs.ac.za/index.php/tcw/article/view/501.