O'Brien, J. A. (1961). The truth about mixed marriages: What to do about them. Our Sunday Visitor.
Chicago-viite (17. p.)O'Brien, John A. The Truth About Mixed Marriages: What to Do About Them. Huntington, Ind.: Our Sunday Visitor, 1961.
MLA-viite (8. p.)O'Brien, John A. The Truth About Mixed Marriages: What to Do About Them. Our Sunday Visitor, 1961.
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