Cardinale, H. E. (1985). Orders of knighthood awards and the Holy See (3. ed., further rev. and enl.). van Duren.
Lua i Stíl Chicago (17ú heag.)Cardinale, Hyginus Eugene. Orders of Knighthood Awards and the Holy See. 3. ed., further rev. and enl. Gerrards Cross: van Duren, 1985.
Lua MLA (8ú heag.)Cardinale, Hyginus Eugene. Orders of Knighthood Awards and the Holy See. 3. ed., further rev. and enl. van Duren, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.