APA-viite (7. p.)

Catholic Church. Pope (1963-1978 : Paul VI) & Paul VI, P. (1969). Apostolic letter (issued motu proprio) approving the new Roman calendar: Mysterii Paschalis. United States Catholic Conference.

Chicago-viite (17. p.)

Catholic Church. Pope (1963-1978 : Paul VI) ja Pope Paul VI. Apostolic Letter (issued Motu Proprio) Approving the New Roman Calendar: Mysterii Paschalis. [Washington, D.C.]: United States Catholic Conference, 1969.

MLA-viite (8. p.)

Catholic Church. Pope (1963-1978 : Paul VI) ja Pope Paul VI. Apostolic Letter (issued Motu Proprio) Approving the New Roman Calendar: Mysterii Paschalis. United States Catholic Conference, 1969.