1. Adam, Lloyd Johnson (2023). Divine Love Theory: How the Trinity Is the Source and Foundation of Morality, Kregel Academic.
2. Modern Moral Philosophy;Anscombe;The Journal of the Royal Institute of Philosophy,1958
3. Ayer, A. J. (1936). Language, Truth and Logic, Dover Publications.
4. Dougherty, Trent, Walls, Jerry L., and Plantinga, Alvin (2018). Two Dozen (or so) Arguments for God: The Plantinga Project, Oxford University Press.
5. Baggett, David, and Walls, Jerry L. (2011). Good God: The Theistic Foundations of Morality, Oxford University Press.