1. Bonhoeffer, Dietrich. The Cost of Discipleship. Diedit oleh Irmgard Booth. Diterjemahkan oleh R.H. Fuller. New York: Touchstone, 1995.
2. Carlisle, Clare. Kierkegaard’s Fear and Trembling. London: Continuum, 2010.
3. Dozier, Rush W. Fear Itself: The Origin and Nature of the Powerful Emotion That Shapes Our Lives and Our World. New York: St. Martin Press, 1998.
4. Evans, C. Stephen. Kierkegaard and Spirituality: Accountability as the Meaning of Human Existence. Grand Rapids: Eerdmans, 2019.
5. Hoekema, Anthony A. The Bible and the Future. Grand Rapids: Eerdmans, 1979.