Grignion de Montfort, L. (1940). The secret of Mary. The Montfort Fathers.
Lua i Stíl Chicago (17ú heag.)Grignion de Montfort, Louis-Marie. The Secret of Mary. Bay Shore, N.Y: The Montfort Fathers, 1940.
Lua MLA (8ú heag.)Grignion de Montfort, Louis-Marie. The Secret of Mary. The Montfort Fathers, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.