Citazione APA

Duffner, I. (1988). Sorrowful and Immaculate Heart of Mary: Adapted from the biography of Berthe Petit, Franciscan Tertiary (1870-1943). World Apostolate of Fatima.

Stile di citazione Chicago

Duffner, I. Sorrowful and Immaculate Heart of Mary: Adapted from the Biography of Berthe Petit, Franciscan Tertiary (1870-1943). Washington, NJ: World Apostolate of Fatima, 1988.

Citazione MLA

Duffner, I. Sorrowful and Immaculate Heart of Mary: Adapted from the Biography of Berthe Petit, Franciscan Tertiary (1870-1943). World Apostolate of Fatima, 1988.