Liguori, A. M. d. A Short Treatise on Prayer, Adapted to Classes of Christians Translated from the Italian of Alphonsus Liguori by a Catholic Clergyman. Baltimore.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Liguori, Alfonso Maria de’. A Short Treatise on Prayer, Adapted to Classes of Christians Translated from the Italian of Alphonsus Liguori by a Catholic Clergyman. Baltimore.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Liguori, Alfonso Maria de’. A Short Treatise on Prayer, Adapted to Classes of Christians Translated from the Italian of Alphonsus Liguori by a Catholic Clergyman. Baltimore.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.