Barry, W. F. (1893). Father Hecker, founder of the Paulists. New York.
Lua i Stíl Chicago (17ú heag.)Barry, William Francis. Father Hecker, Founder of the Paulists. New York, 1893.
Lua MLA (8ú heag.)Barry, William Francis. Father Hecker, Founder of the Paulists. New York, 1893.
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