APA-referens (7:e uppl.)

Cardinale, H. E. (1985). Orders of knighthood awards and the Holy See (3. ed., further rev. and enl.). van Duren.

Chicago-referens (17:e uppl.)

Cardinale, Hyginus Eugene. Orders of Knighthood Awards and the Holy See. 3. ed., further rev. and enl. Gerrards Cross: van Duren, 1985.

MLA-referens (8:e uppl.)

Cardinale, Hyginus Eugene. Orders of Knighthood Awards and the Holy See. 3. ed., further rev. and enl. van Duren, 1985.