Lillback, Peter. “THE ABIDING LEGACY OF THE REFORMATION’S CONFESSIONAL ORTHODOXY: THE REQUIRED VOWS OF WESTMINSTER SEMINARY PROFESSORS AND NAPARC MINISTERS”. VERBUM CHRISTI JURNAL TEOLOGI REFORMED INJILI 6, no. 2 (Oktober 14, 2019): 109–132. Diakses November 27, 2022. https://verbum.sttrii.ac.id/index.php/VC/article/view/110.