Ciufoletti, M. (1937). John Baptist Scalabrini: Bishop of Piacenza, apostle of the Italian immigrants. Manlio Ciufoletti.
Chicago-referens (17:e uppl.)Ciufoletti, Manlio. John Baptist Scalabrini: Bishop of Piacenza, Apostle of the Italian Immigrants. New York: Manlio Ciufoletti, 1937.
MLA-referens (8:e uppl.)Ciufoletti, Manlio. John Baptist Scalabrini: Bishop of Piacenza, Apostle of the Italian Immigrants. Manlio Ciufoletti, 1937.
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