APA-viite (7. p.)

Catholic Church. Pope (1939-1958 : Pius XII), Pius XII, P., & Sheehan, S. G. (1948). Encyclical letter of his holiness Pius XII on the sacred liturgy. National Catholic Welfare Conference.

Chicago-viite (17. p.)

Catholic Church. Pope (1939-1958 : Pius XII), Pope Pius XII, ja Shawn G. Sheehan. Encyclical Letter of His Holiness Pius XII on the Sacred Liturgy. Washington, D.C.: National Catholic Welfare Conference, 1948.

MLA-viite (8. p.)

Catholic Church. Pope (1939-1958 : Pius XII), et al. Encyclical Letter of His Holiness Pius XII on the Sacred Liturgy. National Catholic Welfare Conference, 1948.