Paul VI, P. (1965). On collegiality: Letter to all bishops, December 18, 1964. National Catholic Welfare Conference.
Chicago Style aipamenaPaul VI, Pope. On Collegiality: Letter to All Bishops, December 18, 1964. Washington: National Catholic Welfare Conference, 1965.
MLA aipamenaPaul VI, Pope. On Collegiality: Letter to All Bishops, December 18, 1964. National Catholic Welfare Conference, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.