Tomás de Aquino, S. (1956). On the truth of the catholic faith summa contra gentiles book three: Providence. Image Books.
Chicago-referens (17:e uppl.)Tomás de Aquino, Santo. On the Truth of the Catholic Faith Summa Contra Gentiles Book Three: Providence. New York: Image Books, 1956.
MLA-referens (9:e uppl.)Tomás de Aquino, Santo. On the Truth of the Catholic Faith Summa Contra Gentiles Book Three: Providence. Image Books, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.