Augustine, S., & Parsons, W. (2008). Letters. Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)Augustine, Saint, agus Wilfrid Parsons. Letters. Washington, D.C.: Catholic University of America Press, 2008.
Lua MLA (9ú heag.)Augustine, Saint, agus Wilfrid Parsons. Letters. Catholic University of America Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.