Gaya APA

X, T, S, O, S, P. (2001). The problem of the liturgical reform: A theological and liturgical study . United States of America: Angelus Press.

Gaya MLA

X, The, Society, Of, Saint, Pius. "The problem of the liturgical reform: A theological and liturgical study". United States of America: Angelus Press, 2001. Text.