Augustine, S. (2002). Eighty-three different questions. Catholic University of America Press.
Chicago-viite (17. p.)Augustine, Saint. Eighty-three Different Questions. Washington D.C.: Catholic University of America Press, 2002.
MLA-viite (9. p.)Augustine, Saint. Eighty-three Different Questions. Catholic University of America Press, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.