Copan, P. (2003). "That's just your interpretation": Responding to skeptics who challenge your faith (3. print.). Baker Books.
Citazione stile Chigago Style (17a edizione)Copan, Paul. "That's Just Your Interpretation": Responding to Skeptics Who Challenge Your Faith. 3. print. Grand Rapids, Mich: Baker Books, 2003.
Citatione MLA (8a ed.)Copan, Paul. "That's Just Your Interpretation": Responding to Skeptics Who Challenge Your Faith. 3. print. Baker Books, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.