Kerr, C. (1930). The miraculous medal: As revealed to Ven. Catherine Laboure. Catholic Truth Society.
Chicago-referens (17:e uppl.)Kerr, Cecil. The Miraculous Medal: As Revealed to Ven. Catherine Laboure. London [England]: Catholic Truth Society, 1930.
MLA-referens (8:e uppl.)Kerr, Cecil. The Miraculous Medal: As Revealed to Ven. Catherine Laboure. Catholic Truth Society, 1930.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.