O'Hara, E. V. (1955). The lay apostolate: According to the mind of Pope Pius X. Confraternity Publications.
Chicago-Zitierstil (17. Ausg.)O'Hara, Edwin V. The Lay Apostolate: According to the Mind of Pope Pius X. Paterson, N.J.: Confraternity Publications, 1955.
MLA-Zitierstil (8. Ausg.)O'Hara, Edwin V. The Lay Apostolate: According to the Mind of Pope Pius X. Confraternity Publications, 1955.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.