Cusumano, V. (1974). In the service of the Church: The servant of God, George Matulaitis-Matulewicz : biographical sketch and spiritual diary. Lith. Catholic Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)Cusumano, Vincenzo. In the Service of the Church: The Servant of God, George Matulaitis-Matulewicz : Biographical Sketch and Spiritual Diary. Lith. Catholic Press, 1974.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.