United Nations. Statistical Office. (1949). Population census handbook. [s.n.].
Citación estilo ChicagoUnited Nations. Statistical Office. Population Census Handbook. Lake Success, N. Y: [s.n.], 1949.
Cita MLAUnited Nations. Statistical Office. Population Census Handbook. [s.n.], 1949.
Warning: These citations may not always be 100% accurate.