Brennan, R. E. (1948). The apostolate of the liturgy: A commentary on Mediator Dei. Dept. of Education, National Catholic Welfare Conference.
Chicago-referens (17:e uppl.)Brennan, Robert Edward. The Apostolate of the Liturgy: A Commentary on Mediator Dei. Washington: Dept. of Education, National Catholic Welfare Conference, 1948.
MLA-referens (8:e uppl.)Brennan, Robert Edward. The Apostolate of the Liturgy: A Commentary on Mediator Dei. Dept. of Education, National Catholic Welfare Conference, 1948.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.