APA aipamena

John XXIII, P. (1959). The Holy Father speaks to teachers. National Catholic Welfare Conference.

Chicago Style aipamena

John XXIII, Pope. The Holy Father Speaks to Teachers. Washington, D.C.: National Catholic Welfare Conference, 1959.

MLA aipamena

John XXIII, Pope. The Holy Father Speaks to Teachers. National Catholic Welfare Conference, 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.