Cusumano, V. (1974). In the service of the Church: The servant of God, George Matulaitis-Matulewicz : biographical sketch and spiritual diary. Lith. Catholic Press.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)Cusumano, Vincenzo. In the Service of the Church: The Servant of God, George Matulaitis-Matulewicz : Biographical Sketch and Spiritual Diary. Lith. Catholic Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.