Gaya APA

Aquinas, S, T., (tr), C, J, O. (20852). On the truth of the catholic faith. Summa contra gentiles book four: salvation . : doubleday image book.

Gaya MLA

Aquinas, St., Thomas., (tr), Charles, J., O'Neil. "On the truth of the catholic faith. Summa contra gentiles book four: salvation". : doubleday image book, 20852. Text.