Dyfyniad APA

John XXIII, P. (1961). 1961 Christmas message: Address given ... on December 21, 1961. National Catholic Welfare Conference.

Dyfyniad Arddull Chicago

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. Washington: National Catholic Welfare Conference, 1961.

Dyfyniad MLA

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. National Catholic Welfare Conference, 1961.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.