Duffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.
Chicagoスタイル(17版)引用形式Duffner, I. Sorrowful and Immaculate Heart of Mary. Washington, NJ: Ave Maria Institute.
MLA(8版)引用形式Duffner, I. Sorrowful and Immaculate Heart of Mary. Ave Maria Institute.
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