Dyfyniad APA

United Nations. Statistical Office. (1949). Population census handbook. [s.n.].

Dyfyniad Arddull Chicago

United Nations. Statistical Office. Population Census Handbook. Lake Success, N. Y: [s.n.], 1949.

Dyfyniad MLA

United Nations. Statistical Office. Population Census Handbook. [s.n.], 1949.

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