Gregory I, P. (1908). A Homily of St. Gregory the Great on the Pastoral Office. New York.
Chicago (17e ed.) BronvermeldingGregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
MLA (8e ed.) BronvermeldingGregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
Let op: Deze citaties zijn niet altijd 100% accuraat.