Gregory I, P. (1908). A Homily of St. Gregory the Great on the Pastoral Office. New York.
Chicago-viite (17. p.)Gregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
MLA-viite (8. p.)Gregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
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