Layman, C. S. (2007). Letters to Doubting Thomas: A case for the existence of God. Oxford University Press.
Cita Chicago (17th ed.)Layman, Charles S. Letters to Doubting Thomas: A Case for the Existence of God. New York: Oxford University Press, 2007.
Cita MLA (9th ed.)Layman, Charles S. Letters to Doubting Thomas: A Case for the Existence of God. Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.