O'Brien, J. A. (1941). Character formation: A story of habits and ideals. Paulist Press.
Chicago Style (17. basım) AtıfO'Brien, John A. Character Formation: A Story of Habits and Ideals. New York: Paulist Press, 1941.
MLA (8th ed.) AtıfO'Brien, John A. Character Formation: A Story of Habits and Ideals. Paulist Press, 1941.
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