Cusumano, V. (1974). In the service of the Church: The servant of God, George Matulaitis-Matulewicz : biographical sketch and spiritual diary. Lith. Catholic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cusumano, Vincenzo. In the Service of the Church: The Servant of God, George Matulaitis-Matulewicz : Biographical Sketch and Spiritual Diary. Chicago: Lith. Catholic Press, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cusumano, Vincenzo. In the Service of the Church: The Servant of God, George Matulaitis-Matulewicz : Biographical Sketch and Spiritual Diary. Lith. Catholic Press, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.