O'Donnell, P. (1939). The truth about Catholics: Memorial edition, July 1st, 1939. Catholic Literature Society.
Chicago-viite (17. p.)O'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Los Angeles, Calif.: Catholic Literature Society, 1939.
MLA-viite (8. p.)O'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Catholic Literature Society, 1939.
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