Verster, P. “Die Etiek Van Die Christelike Sending”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship 45, no. 1 - 2 (June 30, 2009): 231-250. Accessed January 19, 2022. https://pubs.ufs.ac.za/index.php/tcw/article/view/172.