MacGregor, M. J. (2006). Steadfast in the faith: The life of Patrick Cardinal O'Boyle. Catholic University of America Press.
Chicago-čujuhus (17. p.)MacGregor, Morris J. Steadfast in the Faith: The Life of Patrick Cardinal O'Boyle. Washington, D.C.: Catholic University of America Press, 2006.
MLA-čujuhus (9. p.)MacGregor, Morris J. Steadfast in the Faith: The Life of Patrick Cardinal O'Boyle. Catholic University of America Press, 2006.
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