Martindale, C. C. (1955). What happened at Fatima. Catholic Truth Society.
Chicago-viite (17. p.)Martindale, Cyril Charles. What Happened at Fatima. London: Catholic Truth Society, 1955.
MLA-viite (8. p.)Martindale, Cyril Charles. What Happened at Fatima. Catholic Truth Society, 1955.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.