O'Brien, J. A. (1937). The trek of the intellectuals to Rome: The dramatic surrender to truth. The Paulist Press.
Čikaški stil citiranja (17. izdanje)O'Brien, John A. The Trek of the Intellectuals to Rome: The Dramatic Surrender to Truth. New York: The Paulist Press, 1937.
MLA način citiranja (8. izdanje)O'Brien, John A. The Trek of the Intellectuals to Rome: The Dramatic Surrender to Truth. The Paulist Press, 1937.
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