O'Brien, J. A. (1941). Character formation: A story of habits and ideals. Paulist Press.
Čikaški stil citiranja (17. izdanje)O'Brien, John A. Character Formation: A Story of Habits and Ideals. New York: Paulist Press, 1941.
MLA način citiranja (8. izdanje)O'Brien, John A. Character Formation: A Story of Habits and Ideals. Paulist Press, 1941.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.