Szpiech, R. (2013). Conversion and narrative: Reading and religious authority in Medieval polemic. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Szpiech, Ryan. Conversion and Narrative: Reading and Religious Authority in Medieval Polemic. Philadelphia: University of Pennsylvania Press, 2013.
Lua MLA (9ú heag.)Szpiech, Ryan. Conversion and Narrative: Reading and Religious Authority in Medieval Polemic. University of Pennsylvania Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.