Giordani, I. (1959). Catherine of Siena: Fire and blood. Bruce Pub. Co.
Lua i Stíl Chicago (17ú heag.)Giordani, Igino. Catherine of Siena: Fire and Blood. Milwaukee: Bruce Pub. Co, 1959.
Lua MLA (8ú heag.)Giordani, Igino. Catherine of Siena: Fire and Blood. Bruce Pub. Co, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.