APA (7e ed.) Bronvermelding

Layman, C. S. (2007). Letters to Doubting Thomas: A case for the existence of God. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Layman, Charles S. Letters to Doubting Thomas: A Case for the Existence of God. New York: Oxford University Press, 2007.

MLA (9e ed.) Bronvermelding

Layman, Charles S. Letters to Doubting Thomas: A Case for the Existence of God. Oxford University Press, 2007.