McKenna, S. (1946). Everyone's Madonna: The spread of devotion to Our Lady of Perpetual Help, 1866-1946. Mission Church Press.
Chicago-viite (17. p.)McKenna, Stephen. Everyone's Madonna: The Spread of Devotion to Our Lady of Perpetual Help, 1866-1946. Boston: Mission Church Press, 1946.
MLA-viite (8. p.)McKenna, Stephen. Everyone's Madonna: The Spread of Devotion to Our Lady of Perpetual Help, 1866-1946. Mission Church Press, 1946.
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