Dyfyniad APA

Duffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.

Dyfyniad Arddull Chicago

Duffner, I. Sorrowful and Immaculate Heart of Mary. Washington, NJ: Ave Maria Institute.

Dyfyniad MLA

Duffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.