O'Connor, J. J. (1947). Preparation for marriage and family life / by John J. O'Connor, S.J. Paulist Press.
Lua i Stíl Chicago (17ú heag.)O'Connor, John Joseph. Preparation for Marriage and Family Life / by John J. O'Connor, S.J. New York: Paulist Press, 1947.
Lua MLA (8ú heag.)O'Connor, John Joseph. Preparation for Marriage and Family Life / by John J. O'Connor, S.J. Paulist Press, 1947.
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