APA-referens (7:e uppl.)

Concannon, H. (1932). Our Lady of Fatima (6th ed.). Irish Messenger Office.

Chicago-referens (17:e uppl.)

Concannon, Helena. Our Lady of Fatima. 6th ed. Dublin: Irish Messenger Office, 1932.

MLA-referens (8:e uppl.)

Concannon, Helena. Our Lady of Fatima. 6th ed. Irish Messenger Office, 1932.