1. Edwin C. Hui. At the Beginning of Life: Dilemmas in Theological Bioethics, InterVarsity Press, Downers Grove, 2002.
2. Michael Allen Gillespie. The Theological Origins of Modernity. University of Chicago Press, Chicago, 2008
3. Jacques Maritain. The Person and the Common Good. University of Notre Dame Press, Indiana, 1996
4. John Macquarrie. God-Talk: An Examination of the Language and Logic of Theology, Seabury Press, New York, 1979.
5. John Macquarrie. In Search of Humanity: A Theological and Philosophical Approach, Wipf and Stock, Eugene, 2002.