Brennan, R. E. (1948). The apostolate of the liturgy: A commentary on Mediator Dei. Dept. of Education, National Catholic Welfare Conference.
Chicago-viite (17. p.)Brennan, Robert Edward. The Apostolate of the Liturgy: A Commentary on Mediator Dei. Washington: Dept. of Education, National Catholic Welfare Conference, 1948.
MLA-viite (8. p.)Brennan, Robert Edward. The Apostolate of the Liturgy: A Commentary on Mediator Dei. Dept. of Education, National Catholic Welfare Conference, 1948.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.