Hesselink, John. “Sovereign Grace and Human Freedom”. NGTT | Nederduitse Gereformeerde Teologiese Tydskrif 53, no. 3&4 (February 5, 2013): 136–144. Accessed October 18, 2025. https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/754.