Gregory I, P. (1908). A Homily of St. Gregory the Great on the Pastoral Office. New York.
Lua i Stíl Chicago (17ú heag.)Gregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
Lua MLA (8ú heag.)Gregory I, Pope. A Homily of St. Gregory the Great on the Pastoral Office. New York, 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.