Beltran, F. F. (2011). [Aquina's ethics: Metaphysical foundations, moral theory and theological context]. Philippiniana Sacra.
芝加哥风格引文Beltran, Franklin F. "[Aquina's Ethics: Metaphysical Foundations, Moral Theory and Theological Context]." Philippiniana Sacra 2011.
MLA引文Beltran, Franklin F. "[Aquina's Ethics: Metaphysical Foundations, Moral Theory and Theological Context]." Philippiniana Sacra, 2011.
警告：这些引文格式不一定是100％准确.