APA aipamena

John XXIII, P. (1961). The Holy Father speaks to athletes. National Catholic Welfare Conference.

Chicago Style aipamena

John XXIII, Pope. The Holy Father Speaks to Athletes. Washington: National Catholic Welfare Conference, 1961.

MLA aipamena

John XXIII, Pope. The Holy Father Speaks to Athletes. National Catholic Welfare Conference, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.