Derengowski, S. P., and H. Stoker. “A Christian Apologetic Response to the Claim of ‘prophet’ by Muhammad and Joseph Smith, Jr. – A Truly Biblical Prophet”. Tydskrif Vir Christelike Wetenskap | Journal for Christian Scholarship, vol. 54, no. 1, Aug. 2018, pp. 51-70, https://pubs.ufs.ac.za/index.php/tcw/article/view/443.